https://status.dal.ca/ RSS feed of the Dalhousie Status Page updates. en-ca Wed, 22 Apr 2026 06:03:30 America/Halifax Copyright 2017 Dalhousie University. https://status.dal.ca/rss.php https://status.dal.ca/service.php?Service=39 2026-04-22 08:55:40 User impact: Users' Yealink E2 Teams phones on the latest Android 15 version may be marked as noncompliant and signed out.

More info: Users' Yealink MP5X E2 Teams devices running on firmware version 176.15.0.191 and the latest Android 15 operating system, may appear as noncompliant in Intune.
Users on impacted devices may also lose access to resources if conditional access policies require a complaint device. For organizations using compliance-based Conditional Access policies with a 30-day grace period, affected devices may be signed out when that grace period expires.
Current status: We were alerted to an issue by customer reports, indicating impact to Teams Yealink MP5X E2 devices after upgrading to the latest Android 15 operating system. Our analysis and investigation into the affected devices and logs confirmed that the latest Android 15 operating system update has introduced a configuration issue causing impacted devices to not be able to access a necessary certificate component, leading to impact. We're working on developing an expedited fix to be deployed to all affected environments to fully resolve impact.
Scope of impact: Any user whose Teams Yealink E2 devices upgraded to the latest Android 15 operating system, may be marked as noncompliant and signed out. This section may be updated as our investigation continues.

Root cause: The latest Android 15 operating system update has introduced a configuration issue causing impacted devices to not be able to access a certificate component, leading to impact.
Next update time: Wednesday, April 21, 2026, at 10:00 PM UTC https://status.dal.ca/service.php?Service=39 2026-04-22 08:52:03 User impact: Users may experience intermittent failures or delays when attempting to start recording in Teams meetings.

More info: Impacted users may notice that after selecting the option to start recording or enable closed captions, the action takes longer than expected to begin or may fail. In some cases, retrying the action may succeed after a delay. Stopping recordings does not appear to be impacted and continues to work as expected.

Current status: We’re analyzing service telemetry and recent meeting activity signals to determine the root cause of the issue and identify the steps required to mitigate impact.
Scope of impact: Impact is specific to some users attempting to start recording or enable closed captions in Teams meetings.

Next update by: Tuesday, April 21, 2026, at 10:00 AM UTC https://status.dal.ca/service.php?Service=36 2026-04-22 08:49:10 Provider New Change Control Notice


Type Of Work: Project

Customer: Canary NOC

Change Control ID : 2241145

Start Date (yyyy-mm-dd): 2026-05-08

End Date (yyyy-mm-dd): 2026-05-08

Country: Canada

Location Of Work: Port Hawkesbury - NS

Reason For Work: Forced Relocate

Release Window (24 hr format): 00:01 - 06:00 Atlantic

Affected Circuits:
00152705 - Fundy Web Canarie 10Gig - 228 Elizabeth Ave, St John's, NL <> 6225 University Ave, Halifax, NS

Service Interruption Duration: 3 hours

Service Impact:
Your services will be impacted while we perform a Forced Fiber Relocate https://status.dal.ca/service.php?Service=39 2026-04-21 15:10:59 Service Restored

Title: Some users may be unable to move channels into folders, such as favorites, or sections within Microsoft Teams
User impact: Users may have been unable to move channels into folders, such as favorites, or sections within Microsoft Teams.
More info: Affected users may have seen channels become hidden when attempting to move them into folders or sections.
To unhide affected channels, users could navigate to Teams, See all channels, find the hidden channel, and select 'Show'. If another attempt was made to move the channel into a folder or section, it may have become hidden again.
Final status: We've completed our rollout of the secondary fix to address the offending code change and have validated from internal testing that our fix successfully remediates impact.
Scope of impact: Some users attempting to move channels into folders or sections within Microsoft Teams may have been impacted. https://status.dal.ca/service.php?Service=39 2026-04-21 15:09:01 Title: Users may see a greyed out 'hold' button in 1:1 calls using the Microsoft Teams desktop and web clients
User impact: Users may have seen a greyed out 'hold' button in 1:1 calls using the Microsoft Teams desktop and web clients.
More info: Impact was specific to users that have already placed a call on 'hold' and 'resumed' that call, as subsequent hold attempts may have failed.
Final status: We've confirmed that the fix has completed deploying to all environments and validated that this issue has been remediated via service telemetry.
Scope of impact: Any user attempting to place a call on hold for a second time from the Microsoft Teams desktop or web clients may have been affected.
Root cause: A regression was introduced within a recent Microsoft Teams client update and was resulting in impact.
Next steps:
- We're continuing our analysis of the impacting code change to better understand the underlying cause of impact and prevent similar regressions in the future.
This is the final update for the event. https://status.dal.ca/service.php?Service=6 2026-04-21 13:33:06 Title: Users may be unable to access their mailboxes with Outlook on the web and the new Outlook desktop client
User impact: Users may have been unable to access their mailboxes with Outlook on the web and the new Outlook desktop client.
More info: While we were focused on remediation, users that had access to the classic Outlook desktop or Outlook mobile apps could have used them to circumvent the impact.
Final status: We've monitored the affected environment and confirmed that our code regression fix has remediated the impact.
Scope of impact: Users located in France and Canada that attempted to access their mailboxes from Outlook on the web and the new Outlook desktop client may have been impacted.
Root cause: A subset of control plane service infrastructure that helps monitor and secure multiple Outlook service connections was performing below our manageable service performance thresholds due to a code regression. This issue was preventing users from accessing their mailboxes from Outlook on the web and the new Outlook desktop client.
Next steps:
- We're reviewing and improving our code update validation procedure to detect and prevent similar issues before they cause impact in the future.
This is the final update for the event. https://status.dal.ca/service.php?Service=39 2026-04-21 07:04:36 Users may be unable to launch the Microsoft Teams desktop client. When attempting to launch the Microsoft Teams desktop clients for Windows or Mac, users become stuck on the loading screen and receive the following error message: "We're having trouble loading your message. Try refreshing." Impacted users may be able to restart their client to bypass impact.

Windows users that continue to see impact may need to quit and restart their desktop clients to receive the fix. https://status.dal.ca/service.php?Service=39 2026-04-20 14:15:54 User impact: Users may be unable to initiate screen sharing in 1:1 calls using the Teams web client.
More info: Specifically, only the first screen sharing session works; subsequent screen-sharing attempts may not be visible.

While we're working to remediate this issue, affected users can still perform screen sharing by:
- Using the desktop or mobile apps
- Adding another user to the call
- Ending and restarting the call

Current status: We're in the process of analyzing gathered logs and service telemetry to better understand the impact scenario and develop a remediation strategy.
Scope of impact: Any user initiating a second screen sharing session within a 1:1 call using the Teams web client may be affected.
Next update by: Tuesday, April 21, 2026, at 1:00 PM AST https://status.dal.ca/service.php?Service=6 2026-04-20 14:12:28 User impact: Users may have experienced timeouts or errors when accessing their Exchange Online mailboxes through Outlook on the web.

Final status: After the deployment of our solution, our additional service monitoring has validated that our code change has addressed the impacting networking problems for the subset of service infrastructure, and the impact has been remediated.
Scope of impact: Some users in Canada attempting to access their Exchange Online mailboxes through Outlook on the web may have been affected.
Start time: Thursday, April 9, 2026, at 10:00 AM AST
End time: Thursday, April 16, 2026, at 1:00 AM AST

Root cause: A portion of infrastructure responsible for facilitating mailbox access requests through Outlook on the web was performing below acceptable thresholds due to a networking issue, resulting in impact.

Next steps:
- We're further analyzing the isolated networking issue to help us determine its source in our effort to prevent similar issues in the future. https://status.dal.ca/service.php?Service=39 2026-04-20 14:10:18 User impact: Users may not have heard their Teams secondary ringer audio on specific devices.

More info: Specifically, this issue affected the secondary ringer for users who were leveraging Citrix Virtual Desktop Infrastructure (VDI) 2 devices.

Final status: We've confirmed with a subset of affected users that our code fix has successfully remediated all impact as expected for this issue.

Scope of impact: Some users leveraging Citrix VDI 2 for their secondary ringer devices may have been impacted by this event.

Start time: Thursday, March 19, 2026, at 9:16 AM AST
End time: Wednesday, April 15, 2026, at 1:35 PM AST

Root cause: A recent update made to VDI device management handling introduced a regression and was resulting in impact.

Next steps:
- We're reviewing our service update check and implementation processes to improve how we detect potential Teams VDI device management code regressions and prevent similar service events from occurring in the future. https://status.dal.ca/service.php?Service=39 2026-04-20 14:07:15 Title: Some users may be unable to initiate screen sharing in 1:1 calls using the Teams web client

Current status: We're investigating a potential issue with Teams and checking for impact to your organization. We'll provide an update within 30 minutes. https://status.dal.ca/service.php?Service=38 2026-04-20 09:38:44 Title: Users may see a delay in certain reports in the M365 admin center
User impact: Users may have seen a delay in certain reports in the M365 admin center.

More info: The following reports were delayed and may have not been fresh including:
- Copilot usage
- Copilot chat usage
- Exchange Store
- Group Activity
- Teams Team

Final status: We've processed the backlog of data utilized to populate the remaining affected reports with the most recent data, and confirmed through monitoring service health telemetry that the impact has been remediated.
Scope of impact: Any user located in the North America, Europe, or Asia-Pacific regions may have been affected by this issue and may have seen a delay in certain reports in the M365 admin center.
Start time: Friday, April 17, 2026, at 8:00 AM AST
End time: Saturday, April 18, 2026, at 1:07 AM AST https://status.dal.ca/service.php?Service=39 2026-04-20 09:34:49 User impact: Users may be intermittently unable to browse apps in Teams.

More info: Affected users are able to manage their existing apps without issue.

Current status: We're investigating a recent service update deployment that we believe is causing intermittent errors when browsing apps in Teams. We've halted the deployment and are working on a fix. Once we validate the fix we'll begin deployment to the affected infrastructure.
Scope of impact: This issue may intermittently impact some users attempting to browse apps in Teams.

Next update by: Saturday, April 18, 2026, at 1:00 PM AST https://status.dal.ca/service.php?Service=39 2026-04-20 09:28:21 Title: Users may get incorrect or stale content when using Platform deep links in Teams

User impact: Users may get incorrect or stale content when using Platform deep links in Teams.

More info: Platform deep links may get incorrect or stale content for users who have opted into the Technology Adoption Program or Public Preview. Users can opt out to avoid this issue.

Current status: We've identified the most recent platform update has introduced a regression that's causing impact. We're evaluating mitigation options to correct this regression in the most expedient way possible.
Scope of impact: This issue may affect users who use Platform deep links and have opted into the Technology Adoption Program or Public Preview.

Next update by: Monday, April 20, 2026, at 3:30 PM AST https://status.dal.ca/service.php?Service=39 2026-04-20 09:20:59 Title: Users may be unable to launch the Teams desktop client

More info: When attempting to launch the Teams desktop client, users are stuck on the loading screen and receive an error message "We're having trouble loading your message. Try refreshing."

Impacted users should restart their client to bypass impact.

Current status: We've determined that a recent service update introduced a regression within the Teams client build caching system and is resulting in this transient issue's impact. We're reverting the offending update to remediate impact and will provide a timeline on this process as one becomes available.

Scope of impact: Users attempting to launch the Teams desktop client may be impacted by this event. This section may be updated as our investigation continues.

Root cause: A recent service update introduced a regression within the Teams client build caching system and is resulting in impact.
Next update by: Monday, April 20, 2026, at 3:30 PM AST https://status.dal.ca/service.php?Service=43 2026-04-20 07:10:03 Restored:
- Power Apps: Users may have experienced failures with Power Apps management or solution operations (e.g., unable to complete dynamic onboarding flows). https://status.dal.ca/service.php?Service=24 2026-04-18 13:28:45 The upgrade went long due to technical problems, but they were ultimately resolved and the nas.dal.ca service is now operating on new hardware.

Users might need to reboot domain-joined Windows workstations in order to restore access to their O: drives.

Please alert Dal support if there is unexpected behaviour when accessing nas.dal.ca/O-drive, such as missing files or improper permissions. The old nas.dal.ca is available to technicians and has all files as they existed before the cutover. https://status.dal.ca/service.php?Service=24 2026-04-14 12:04:01 The nas.dal.ca service (O: drive) will be down during maintenance and upgrades. The outage is expected to last from 8am until possibly 11:00am. During this time, access to the service will fail and any open connections will be terminated.

Please insure that any work or open files are saved and closed at end of the working day on Friday, April 17th. https://status.dal.ca/service.php?Service=6 2026-04-17 14:48:59 Service Restored

Title: Users may be unable to download or open email attachments in Outlook on the web.
Root cause: An authentication issue on a portion of Outlook on the web infrastructure responsible for downloading and opening attachments was resulting in impact. https://status.dal.ca/service.php?Service=8 2026-04-17 10:44:58 Title: Users may see a delay in certain reports in the M365 admin center
User impact: Users may see a delay in certain reports in the M365 admin center.
More info: The following reports are delayed and may not be fresh including:
- Copilot usage
- Copilot chat usage
- Exchange Store
- Group Activity
- Teams Team
Current status: We were alerted to an issue from our monitoring systems that indicated a delay in freshness for certain reports in the Microsoft 365 admin center. We investigated and identified that a portion of infrastructure that supports the affected reporting in the M365 admin center encountered a processing issue, leading to delays and impact. We’ve resolved this processing issue to prevent further delays, and we're now monitoring as the backlog of report requests is processed to fully remediate impact.
Scope of impact: Any user located in North America, Europe, or Asia-Pacific regions may be affected by this issue and may see a delay in certain reports in the Microsoft 365 admin center. This section may be updated as our investigation continues.
Start time: Friday, April 17, 2026, at 12:00 AM UTC
Root cause: A portion of infrastructure that is required for and the M365 admin center reporting relies upon, encountered a processing issue, leading to delays and impact.
Next update by: Friday, April 17, 2026, at 8:30 PM UTC https://status.dal.ca/service.php?Service=43 2026-04-17 08:10:50 Power Apps:
- Users may experience failures with Power Apps management or solution operations (e.g., unable to complete dynamic onboarding flows). https://status.dal.ca/service.php?Service=6 2026-04-16 14:50:51 Service Restored

Title: Users may be intermittently unable to access their Exchange Online mailboxes in some connection methods.
User impact: Users may have been intermittently unable to access their Exchange Online mailboxes in some connection methods.
More info: This issue may have intermittently impacted some users who attempted to access the Exchange Online service through the Outlook mobile apps or the new Outlook for Mac desktop client.
Final status: We've confirmed that the deployment of the code change has completed saturation, and after a period of monitoring service health telemetry, we've observed the errors associated with the impact have ceased and the issue is resolved. https://status.dal.ca/service.php?Service=39 2026-04-16 08:31:09 Service Degradation

Title: Users are unable to communicate with external domains in Microsoft Teams
User impact: Users are unable to communicate with external domains in Microsoft Teams.
More info: Users are unable to add external domain users to Teams group chats on both the desktop and web clients. Some users who were previously members of external domain group chats got removed from the chats.
Current status: We’ve applied a mitigation strategy to a portion of affected users to add previously removed external domain users back to their intended group chats and restore associated chat message history. In parallel, we’re continuing to verify all impacted threads and ensure the mitigation is applied for all affected users.
Scope of impact: Your organization is affected by this event, and any user attempting to communicate with external domains in Microsoft Teams is impacted. https://status.dal.ca/service.php?Service=39 2026-04-16 08:26:22 Service Degradation

Title: Some users may be unable to move channels into folders, such as favorites, or sections within Microsoft Teams https://status.dal.ca/service.php?Service=39 2026-04-16 08:24:29 Service Degradation

Title: Users may be unable to adjust their camera brightness in Microsoft Teams settings
User impact: Users may be unable to adjust their camera brightness in Microsoft Teams settings.
More info: When attempting to adjust camera brightness, users may receive a message stating "Adjust brightness is unavailable. Check your network connection, or contact your IT admin." https://status.dal.ca/service.php?Service=6 2026-04-16 08:22:53 Service Degradation

Title: Some users may experience timeouts or errors when accessing their Exchange Online mailboxes through Outlook on the web https://status.dal.ca/service.php?Service=38 2026-04-16 10:55:29 Resolved:
- Microsoft 365: Users may have been unable to access Microsoft 365 web-based services correctly when using Google Chrome and Mozilla Firefox. This may include missing UI elements such as search bars or pages; an inability to open Excel or PowerPoint files through Microsoft 365 web pages; and issues accessing apps such as OneDrive and Planner. https://status.dal.ca/service.php?Service=43 2026-04-16 07:54:39 Resolved:
Power Automate: Users were unable to manually save, publish, or turn on flows. https://status.dal.ca/service.php?Service=38 2026-04-15 16:00:12 Copilot:
- Some users may experience intermittent failures with requests in Microsoft 365 Copilot, like receiving an error such as "sorry, something went wrong". https://status.dal.ca/service.php?Service=39 2026-04-15 15:14:49 Service Degradation

Title: Some users' may not hear their Microsoft Teams secondary ringer audio on specific devices
User impact: Users' may not hear their Microsoft Teams secondary ringer audio on specific devices.
More info: Specifically, this issue affects the secondary ringer for users who are leveraging Citrix Virtual Desktop Infrastructure (VDI) 2 devices.
Current status: We've determined that a recent change made to handling of device management has introduced a regression which is resulting in the impact and we're developing a solution to resolve this issue. https://status.dal.ca/service.php?Service=39 2026-04-15 14:24:54 Service Degradation

Title: Users may be intermittently unable to join town halls in Microsoft Teams on Android devices https://status.dal.ca/service.php?Service=21 2026-04-15 14:11:57 Resolved:

SharePoint:
- Users may have been missing options to open files using custom file handlers in SharePoint Online and OneDrive (for example, some users may have been missing the “Open in Adobe Acrobat” option for PDF files). https://status.dal.ca/service.php?Service=40 2026-04-15 13:57:09 Service Restored

Title: Some users may be missing options to open files using custom file handlers in Microsoft OneDrive
User impact: Users may be missing options to open files using custom file handlers in OneDrive.
Final status: We've confirmed that a recent service update to OneDrive changed how custom file handlers were processed, resulting in impact. We completed a rollback of the identified updates responsible for this and confirmed through service-side testing as well as testing with previously affected users that this is mitigated. Due to cache storage, this can take up to 48 hours to resolve for all users. If users are in need of immediate remediation, please follow the articles below:
 
https://learn.microsoft.com/en-us/onedrive/developer/file-handlers/?view=odsp-graph-online&source=r…
 
https://learn.microsoft.com/en-us/onedrive/developer/file-handlers/reset-cache?view=odsp-graph-onli…
 
Scope of impact: Some users attempting to open files using custom file handlers in OneDrive may have been impacted. 
 
Root cause: A recent service update to OneDrive changed how custom file handlers are processed, which resulted in impact.
 
Next steps: 
- We'll continue our review of the impacting update to better understand how the change resulted in impact and what we can do to improve our pre-deployment processes to identify and resolve similar issues.
 
This is the final update for the event. https://status.dal.ca/service.php?Service=21 2026-04-15 11:54:58 SharePoint:
- Users may be missing options to open files using custom file handlers in SharePoint Online and OneDrive (for example, some users may be missing the “Open in Adobe Acrobat” option for PDF files). https://status.dal.ca/service.php?Service=6 2026-04-15 11:51:16 Service Degradation

Title: Users may be unable to respond directly to specific encrypted email messages from a shared mailbox in Exchange Online
More info: Affected users see the following error: “This Message can’t be saved right now. Please try again later."
Affected users can send a new email message to the specific senders as a way to circumvent impact but are unable to respond directly to the existing thread.
Current status: We’ve reproduced the issue internally and are analyzing these reproductions alongside our service-side data to isolate the root cause and determine a fix. https://status.dal.ca/service.php?Service=43 2026-04-15 08:24:42 Power Automate:
- Users are unable to manually save, publish, or turn on flows. https://status.dal.ca/service.php?Service=39 2026-04-15 07:47:13 Service Restored


Title: Some users may be unable to move channels into folders, such as favorites, or sections within Microsoft Teams https://status.dal.ca/service.php?Service=6 2026-04-15 07:45:51 Title: Users may be unable to download or open email attachments in Outlook on the web https://status.dal.ca/service.php?Service=39 2026-04-15 07:44:05 Service Degradation

Title: Users may be unable to use the copy and paste function in Microsoft Teams desktop client chats
User impact: Users may be unable to use the copy and paste function in Microsoft Teams desktop client chats.
More info: Impacted users report that they are unable to copy and paste URLs, text, and images in Microsoft Teams desktop client chats, as the paste option appears greyed out when using the right-click dropdown menu method.
To bypass impact, we recommended that users attempt to copy and paste the intended URLs, text, and images using Ctrl + V in the desktop client or by using the right-click dropdown menu method in the Teams web client, if users have access to this connection method.  https://status.dal.ca/service.php?Service=38 2026-04-14 14:45:58 Resolved:

Microsoft 365 Copilot:
- Copilot may have been unable to retrieve file-based search results (such as content stored in SharePoint). https://status.dal.ca/service.php?Service=17 2026-04-14 07:45:12 Eastlink Change Control Completion Notice


Customer: Dalhousie

Change Control ID : 2231278

Start Date: 2026-04-14

End Date: 2026-04-14

Country: Canada

Location Of Work: Halifax, NS

Reason For Work: Hardware Upgrade

Release Window (24 hr format): 04:00 - 06:00 Atlantic

Affected Circuits:
DAL residence with Internet/Wifi/TV Services

Service Impact: Your services will be experience two impacts of 5 minutes or less while we do expedited work.


Should you have any questions about this notice
please contact Eastlink Change Control at change@corp.eastlink.ca
Contact Number: 877-797-7799 option 4 https://status.dal.ca/service.php?Service=21 2026-04-13 15:31:37 Service Degradation

Title: Users may experience errors or failures when accessing their mailboxes with Outlook on the web
User impact: Users may experience errors or failures when accessing their mailboxes with Outlook on the web.
More info: This issue also affects new Outlook desktop app for Windows users. While we're focused on remediation, users that have access to the classic Outlook desktop or Outlook mobile apps can use these to circumvent the impact.
Current status: We've developed our fix containing the optimizations for the subset of impacted machines, which we're preparing to deploy to the affected infrastructure. We anticipate the deployment of our fix will begin by our next scheduled communications update. https://status.dal.ca/service.php?Service=41 2026-04-13 15:10:26 Service resumed https://status.dal.ca/service.php?Service=6 2026-04-13 14:51:58 Service Restored

Title: Some users may be unable to access email messages in Outlook Mobile when connecting to Exchange on‑premises
User impact: Users may have been unable to access email messages in Outlook Mobile when connecting to Exchange on‑premises.
Final status: The fix to correct the misconfiguration has been deployed and we've confirmed through various user testing that this has successfully mitigated this issue and service has been restored. Users need to re-add their account in Outlook Mobile so that the Autodiscover flow for Exchange on-premises connections will once again connect correctly. https://status.dal.ca/service.php?Service=6 2026-04-13 11:05:57 Title: Some users may be unable to access email messages in Outlook Mobile when connecting to Exchange on‑premises
User impact: Users may be unable to access email messages in Outlook Mobile when connecting to Exchange on‑premises.
Current status: We've identified that an authentication component misconfiguration is impacting the Autodiscover flow for Exchange on‑premises connections, which is preventing Outlook Mobile from automatically establishing access for affected users. We're developing a fix to correct misconfiguration and once complete, we'll validate its efficacy before deploying to affected environments.
Scope of impact: Your organization is affected by this event, and some users attempting to access email messages in Outlook Mobile when connecting to Exchange on‑premises may be impacted. This information may be updated as our investigation continues. https://status.dal.ca/service.php?Service=41 2026-04-13 09:05:50 Logon to vLab continues.

Work around is available: https://apps2.vlab.dal.ca https://status.dal.ca/service.php?Service=41 2026-04-13 08:57:14 Logon issues. We are investigating. https://status.dal.ca/service.php?Service=38 2026-04-13 07:31:49 Microsoft 365 Copilot:
- Copilot may be unable to retrieve file-based search results (such as content stored in SharePoint), which can cause it to return a generic fallback response instead of a relevant answer. This issue does not affect all Copilot interactions, and experiences that do not rely on file search should continue to work as expected. https://status.dal.ca/service.php?Service=43 2026-04-10 14:37:04 Resolved:
- Power Automate: Users may have experienced failures loading pages or become stuck in an authentication loop when attempting flow or desktop flow management operations such as browse, create, edit, access approvals, or view flow run history in the Power Automate portal and Maker portal. https://status.dal.ca/service.php?Service=8 2026-04-10 13:33:59 Title: Users' email messages are being delivered in Exchange Online but senders may receive incorrect non‑delivery reports
User impact: Users' email messages are being delivered in Exchange Online but senders may receive incorrect non‑delivery reports.
More info: Senders may see delivery failures or non‑delivery reports (NDRs) indicating the recipient domain is unreachable, despite email messages being delivered successfully.
Final status: The investigation is complete and we've determined the service is healthy. A service incident didn't actually occur. This communication will expire in 24 hours.
This is the final update for the event. https://status.dal.ca/service.php?Service=8 2026-04-10 10:01:38 Title: Users' email messages are being delivered in Exchange Online but senders may receive incorrect non‑delivery reports
User impact: Users' email messages are being delivered in Exchange Online but senders may receive incorrect non‑delivery reports.
More info: Senders may see delivery failures or non‑delivery reports (NDRs) indicating the recipient domain is unreachable, despite email messages being delivered successfully.
Current status: We're reviewing support provided information to determine our next troubleshooting steps.
Scope of impact: Impact is specific to some users attempting to send email messages in Exchange Online.
Next update by: Friday, April 10, 2026, at 2:30 PM UTC https://status.dal.ca/service.php?Service=43 2026-04-10 08:09:12 Power Automate:
- Users are experiencing failures loading pages or become stuck in an authentication loop when attempting flow or desktop flow management operations such as browse, create, edit, access approvals, or view flow run history in the Power Automate portal and Maker portal. As a temporary way to circumvent impact, users can clear their browser cache, local storage, and cookies, then refresh the page if they encounter any issues. https://status.dal.ca/service.php?Service=6 2026-04-10 08:08:30 Users may experience failures when accessing their mailboxes from Outlook on the web. In the interim, affected users can use the Outlook desktop client to access their mailboxes. https://status.dal.ca/service.php?Service=39 2026-04-10 07:52:41 Title: Some users may be unable to move channels into folders, such as favorites, or sections within Teams

Current status: We've identified a recent code change that introduced a race condition that occurs when users attempt to move channels into folder or sections, resulting in impact.
We've developed and validated a fix to address the introduced race condition, which we've begun deploying to the affected environment. We aim to provide a timeline for the deployment to complete by our next scheduled communications update.

Scope of impact: Some users attempting to move channels into folders or sections within Teams may be impacted. This section may be updated as our investigation progresses.

Start time: Wednesday, April 1, 2026, at 8:00 AM AST

Root cause: A recent code change introduced a race condition that occurs when users attempt to move channels into folders or sections, resulting in impact.

Next update by: Friday, April 10, 2026, at 6:00 PM AST https://status.dal.ca/service.php?Service=8 2026-04-09 14:09:03 Title: Potential issues accessing mailboxes via one or more connection methods
User impact: Users may experience errors or failures when accessing their mailbox via one or more Exchange Online connection methods.
Current status: We're investigating a potential issue and checking for impact to your organization. We'll provide an update within 60 minutes. https://status.dal.ca/service.php?Service=8 2026-04-09 13:51:10 Title: Users may experience failures when accessing their mailboxes from Outlook on the web
User impact: Users may experience failures when accessing their mailboxes from Outlook on the web. 
Current status: Our automated service monitoring has isolated an issue that may be preventing users from accessing their mailboxes from Outlook on the web. We're analyzing our automated recovery services and a subset of control plane service infrastructure to determine our next steps in remediating the impact.
Scope of impact: This issue may prevent users from accessing their mailboxes from Outlook on the web. 
Start time: Thursday, April 9, 2026, at 1:30 PM UTC
Next update by: Thursday, April 9, 2026, at 6:00 PM UTC https://status.dal.ca/service.php?Service=8 2026-04-09 08:57:44 Title: Some users may have experienced delays in receiving notifications and placing or receiving calls in Teams
User impact: Users may have experienced delays in receiving notifications and placing or receiving calls in Teams.
Final status: We've identified that a temporary spike in traffic to a backend registration service caused service instability. Once the temporary traffic increase subsided, the service recovered automatically without requiring manual intervention. Following a period of monitoring service telemetry, we’ve confirmed that impact has been fully remediated.
Scope of impact: Impact was specific to some users expecting to receive notifications or attempting to place or receive calls in Microsoft Teams.
Start time: Thursday, April 9, 2026, at 9:02 AM UTC
End time: Thursday, April 9, 2026, at 10:04 AM UTC
Root cause: A temporary spike in traffic to a backend registration service caused service instability.
Next steps:
- We’re reviewing safeguards to help prevent similar traffic spikes from impacting the service in the future.
This is the final update for the event. https://status.dal.ca/service.php?Service=8 2026-04-09 08:14:32 Title: Users may not have received email invite messages for Webinar meetings in Teams
User impact: Users may not have received email invite messages for Webinar meetings in Teams.
More info: Some users may have been able to register but weren't receiving email invites. Webinar reports showed the registration status as "Progressing''.
Final status: We’re received confirmation from some affected users to advise that impact is remediated.
Scope of impact: Any user expecting email invite messages for Webinar meetings may have been impacted.
Start time: Tuesday, April 7, 2026, at 2:00 PM UTC
End time: Wednesday, April 8, 2026, at 5:30 PM UTC
Root cause: Excess traffic in the affected infrastructure was causing the performance issues and resulting in the queue of email invite messages.
Next steps:
- We're analyzing traffic performance data and trends on the affected infrastructure connection to help prevent this problem from happening again..
This is the final update for the event. https://status.dal.ca/service.php?Service=8 2026-04-09 08:13:15 Title: Users may see delays with the creation of Teams meeting recordings and recaps
User impact: Users may see delays with the creation of Teams meeting recordings and recaps.
Current status: We're analyzing system logs to help identify the source of the issue, which will help us determine our next troubleshooting steps.
Scope of impact: This issue may potentially impact the creation of Teams meeting recordings and recaps for any user. This information may be updated as our investigation continues.
Next update by: Thursday, April 9, 2026, at 2:30 AM UTC https://status.dal.ca/service.php?Service=38 2026-04-08 13:29:20 Service Restored

Title: Users may experience issues accessing or using multiple Microsoft 365 services, including Microsoft Teams and Outlook
User impact: Users may have experienced intermittent delays in email delivery and access to Microsoft 365 services.
Final status: Following our mitigation of the identified network-level disruption, our remediation actions have completed and service health has been restored across affected Microsoft 365 services. We’ve confirmed through service telemetry that service has fully recovered and remains healthy.
Scope of impact: Users accessing Microsoft 365 services in North America and Europe were primarily affected by this issue. The majority of customer reports originated from the US, Netherlands, UK, and Canada, though users in other regions may have been impacted as well. https://status.dal.ca/service.php?Service=38 2026-04-08 13:27:56 Title: Users may experience issues accessing or using multiple Microsoft 365 services, including Microsoft Teams and Outlook https://status.dal.ca/service.php?Service=8 2026-04-08 08:48:09 Title: Users aren't receiving email invite messages for Webinar meetings in Teams
User impact: Users aren't receiving email invite messages for Webinar meetings in Teams.
More info: Some users are able to register but aren't receiving email invites. Webinar reports show the registration status as "Progressing''.
Current status: We're analyzing support provided information to determine our next troubleshooting steps.
Scope of impact: Your organization is affected by this event, and any user expecting email invite messages for Webinar meetings is impacted.
Next update by: Wednesday, April 8, 2026, at 1:00 PM UTC https://status.dal.ca/service.php?Service=8 2026-04-07 15:01:17 Eastlink New Change Control Notice


Type Of Work: Expedite

Customer: Dalhousie

Change Control ID : 2231278

Start Date (yyyy-mm-dd): 2026-04-14

End Date (yyyy-mm-dd): 2026-04-14

Country: Canada

Location Of Work: Halifax, NS

Reason For Work: Hardware Upgrade

Release Window (24 hr format): 04:00 - 06:00 Atlantic

Affected Circuits:
DAL residence with Internet/Wifi/TV Services

Service Interruption Duration: less than 5 minute x2

Service Impact:
Your services will be experience two impacts of 5 minutes or less while we do expedited work.


Comment:
For your records



Should you have any questions about this notice
please contact Eastlink Change Control at change@corp.eastlink.ca
Contact Number: 877-797-7799 option 4 https://status.dal.ca/service.php?Service=8 2026-04-07 13:08:30 Title: Some users in the United States may have been unable to access multiple 365 services
User impact: Users may have been unable to access multiple 365 services.
More info: Impacted services included but weren't limited to:
-Teams
- Exchange Online
- M365 Suite
Specifically, users may have experienced sudden disconnects, increased latency or intermittent access issues.
Final status: We've determined that a connection with a third-party internet provider unexpectedly became overloaded with user traffic, causing latency and disconnects across multiple M365 services. We've redirected affected traffic to alternate infrastructure and confirmed impact is no longer occurring after a period of monitoring.
Scope of impact: Impact was specific to some users in the United States attempting to access M365 services.
Start time: Tuesday, April 7, 2026, at 1:20 PM UTC
End time: Tuesday, April 7, 2026, at 1:50 PM UTC
Root cause: A connection with a third-party internet provider unexpected became overloaded with user traffic, causing latency and disconnects across multiple M365 services.
Next steps:
- We're analyzing traffic performance data and trends on the affected infrastructure connection to help prevent this problem from happening again.
This is the final update for the event. https://status.dal.ca/service.php?Service=8 2026-04-07 13:06:43 Title: Users may see delays with some reports in the 365 admin center
User impact: Users may see delays with some reports in the 365 admin center.
More info: Impacted reports include the following:
-365 group reports
-365 active user reports
-Teams team activity reports
-Adoption Score
Current status: We identified that an issue with an upstream data pipeline responsible for populating reports in the 365 admin center is degraded, causing reporting delays. We're working with the upstream dependency owners to repair the issue and get the reporting data up to date.
Scope of impact: This issue may potentially impact any user attempting to view the affected reports in the More Info section.
Start time: Saturday, April 4, 2026, at 12:00 AM UTC
Root cause: An issue with an upstream data pipeline responsible for populating reports in the 365 admin center is degraded, causing reporting delays.
Next update by: Wednesday, April 8, 2026, at 2:00 AM UTC https://status.dal.ca/service.php?Service=38 2026-04-06 14:57:38 Title: Users are unable to access archived email messages in Outlook on the web
User impact: Users are unable to access archived email messages in Outlook on the web.
More info: When users try to access archived email messages in Outlook on the web, they may see the error message “Your message cannot be displayed right now.”
Current status: The fix deployment has completed and has fully saturated throughout the affected environment. We're checking with your organization now to confirm whether impact has been fully resolved.
Scope of impact: Your organization is affected by this event, and some users attempting to access archived email messages in Outlook on the web are impacted. This section may be updated as our investigation continues.
Root cause: A code issue is resulting in restricted access when archiving email messages in Outlook on the web. The primary and archive mailboxes are on different machines, the request to access the mailbox is landing in the correct portion of infrastructure but is trying to find the primary instead of the archive mailbox, resulting in impact.
Next update by: Monday, April 6, 2026, at 3:00 PM UTC https://status.dal.ca/service.php?Service=39 2026-04-09 13:58:21 User impact: Users may experience incomplete meeting recordings in Teams.

More info: When a meeting generates multiple recording files some files contain the correct video content. The final saved files only include transcripts without any video.
Current status: We're entering an extended period of monitoring to ensure our configuration correction has fully remediated the issue and meeting recordings are being saved with transcripts and video as expected.

Scope of impact: Your organization is affected by this event, and some users attempting to save meeting recordings in Microsoft Teams are impacted. This information may be updated as our investigation continues.

Start time: Saturday, March 28, 2026, at 8:00 PM AST

Root cause: A configuration discrepancy within the Teams recording service during internal processing is causing some meeting recordings to be saved without video content while transcripts were generated as expected.

Next update by: Monday, April 6, 2026, at 4:00 PM AST https://status.dal.ca/service.php?Service=39 2026-04-06 10:44:14 User impact: Users may be see a greyed out 'hold' button in 1:1 calls using the Teams desktop and web clients.

More info: Impact is specific to users that have already placed a call on 'hold' and 'resumed'. Subsequent hold attempts may fail.

Current status: We've received reports from users that they're unable to place a call on hold once it's already resumed. Our investigation has identified a regression introduced within a recent client update, resulting in impact. A fix has been developed and we're investigating methods to expedite the release and remediate impact.

Scope of impact: Any user attempting to place a call on for a second time from the Teams desktop or web clients may be affected.

Next update by: Friday, April 3, 2026, at 4:30 PM AST https://status.dal.ca/service.php?Service=39 2026-04-06 10:13:34 User impact: Users may be see a greyed out 'hold' button in 1:1 calls using the Microsoft Teams desktop and web clients.

More info: Impact is specific to users that have already placed a call on 'hold' and 'resumed'. Subsequent hold attempts may fail.

Current status: We're investigating a potential issue with Microsoft Teams and checking for impact to your organization. We'll provide an update within 30 minutes. https://status.dal.ca/service.php?Service=6 2026-04-06 10:11:29 Title: Users are unable to send internal email messages that include attachments with the .ewf extension in Exchange Online

User impact: Users were unable to send internal email messages that included attachments with the .ewf extension in Exchange Online.

More info: When users attempted to send internal email messages that included attachments with the .ewf extension, they received a Non-Delivery Report (NDR) that stated: "550;5.0.350;Requested action not taken: policy violation detected (AS345)"
Final status: We've deployed a fix that reversed the offending signature update and confirmed through service health monitoring that the impact is remediated.
Scope of impact: Your organization was affected by this event, and any user that attempted to send internal email messages that include attachments with the .ewf extension in Exchange Online was impacted.

Start time: Thursday, April 2, 2026, at 3:00 PM AST
End time: Friday, April 3, 2026, at 12:00 PM AST

Root cause: A recent signature update used by our anti-malware scanning engine introduced an unintended issue, which resulted in some email messages being incorrectly flagged with policy violation errors and were rejected during processing.

Next steps:
- We're reviewing our signature update testing and validation procedures to identify and prevent email messages from being needlessly blocked in deployments moving forward. https://status.dal.ca/service.php?Service=6 2026-04-06 10:09:01 User impact: Users are unable to send internal email messages that include attachments with the .ewf extension in Exchange Online.

Current status: We've identified a recent signature update used by the antimalware scanning engine has introduced an unintended issue, resulting in some email messages being incorrectly flagged with policy violation errors and subsequently rejected during processing. We've validated and are deploying a code fix to update and correct the signature.

Scope of impact: Your organization is affected by this event, and users attempting to send internal email messages that include attachments with the .ewf extension in Exchange Online are impacted.

Start time: Thursday, April 2, 2026, at 3:00 PM AST

Root cause: A recent signature update used by the antimalware scanning engine has introduced an unintended issue, resulting in some emails being incorrectly flagged with policy violation errors and subsequently rejected during processing.

Next update by: Friday, April 3, 2026, at 12:30 PM AST https://status.dal.ca/service.php?Service=7 2026-04-06 09:10:03 Footprints resumed functionality this morning at 8am. We expect further downtime while upgrade efforts continue.
Service now exist available to VPN'd connections only off campus.
When next work cycle is scheduled, another update will be posted here. https://status.dal.ca/service.php?Service=38 2026-04-06 08:30:51 User impact: Users may have been unable to access the M365 web sign-in page and the M365 Copilot web sign‑in page.

More info: Users couldn't access Microsoft Copilot through application-based Copilot services. This included, but was not limited to:
- Copilot desktop app
- Copilot in Teams
- Copilot in Office apps

Users may have been able to leverage https://m365.cloud.microsoft/search, and should been able to sign in using this page. Once signed in, users could access Office.com.
Final status: We monitored our telemetry after implementing our configuration changes and confirmed that the impact was remediated.

Scope of impact: Impact was specific to users who were attempting to access the M365 web sign-in page and the M365 Copilot web sign‑in page.
Start time: Thursday, April 2, 2026, at 4:40 PM AST
End time: Friday, April 3, 2026, at 8:55 AM AST

Root cause: The infrastructure that supports access to M365 web sign-in page and the M365 Copilot web sign-in page was not processing traffic efficiently, which prevented some users from accessing the service pages.

Next steps:
- We're reviewing performance data and trends on the affected infrastructure to help develop improved preventative measures to avoid similar impact in the future.
This is the final update for the event. https://status.dal.ca/service.php?Service=38 2026-04-06 08:28:22 Title: Some users may be unable to access the 365 web sign-in page and the 365 Copilot web sign‑in page
User impact: Users may be unable to access the 365 web sign-in page and the 365 Copilot web sign‑in page.
More info: Users can access Copilot through application-based Microsoft Copilot services. This includes, but is not limited to:
- Copilot desktop app
- Copilot in Teams
- Copilot in Office apps
User may be able to leverage https://m365.cloud.microsoft/search, and should be able to sign in using this page. Once signed in, users can access Office.com.
Current status: We've identified that a section of service infrastructure is not processing traffic efficiently. We're making configuration changes to remediate impact.
Scope of impact: Impact is specific to some users who are served through the affected infrastructure.
Root cause: The infrastructure that supports access to the 365 web sign-in page and the 365 Copilot web sign-in page is not processing traffic efficiently, preventing some users from accessing the service pages.
Next update by: Friday, April 3, 2026, at 12:30 AM UTC https://status.dal.ca/service.php?Service=38 2026-04-06 08:25:54 User impact: Users may be unable to access the M365 web sign-in page and the M365 Copilot web sign‑in page.
More info: Users can access Copilot through application-based Copilot services. This includes, but is not limited to:
- Copilot desktop app
- Copilot in Teams
- Copilot in Office apps

User may be able to leverage https://m365.cloud.microsoft/search, and should be able to sign in using this page. Once signed in, users can access Office.com.

Current status: We've identified that a section of service infrastructure is not processing traffic efficiently. We're making configuration changes to remediate impact.
Scope of impact: Impact is specific to some users who are served through the affected infrastructure.

Root cause: The infrastructure that supports access to the M365 web sign-in page and the M365 Copilot web sign-in page is not processing traffic efficiently, preventing some users from accessing the service pages.
Next update by: Friday, April 3, 2026, at 8:30 AM AST https://status.dal.ca/service.php?Service=38 2026-04-06 08:23:26 User impact: Users may be unable to access or have delays accessing the M365 admin center

Current status: We're investigating reports of an issue in which users may be unable to access or have delays accessing the M365 admin center. We are reviewing service telemetry and available information to determine if there is an issue happening and we'll update this message shortly with our latest findings.

Scope of impact: Any users attempting to access the M365 admin center may be impacted.
Next update by: Thursday, April 2, 2025, at 5:00 PM AST https://status.dal.ca/service.php?Service=6 2026-04-06 08:19:32 User impact: Users may be intermittently unable to access their Exchange Online mailboxes in some connection methods.

More info: This issue may intermittently impact some users who attempted to access the Exchange Online service through the Outlook mobile apps or the new Outlook for Mac desktop client.

Current status: We've received reports from affected tenants that the impact scenario originally communicated through SHD EX1256020 is still ongoing. We're working to restart the Notification Broker service on affected portions of Exchange Online service infrastructure to remediate impact while we continue our analysis into the underlying root cause.

Scope of impact: Impact may occur intermittently for some users accessing their Exchange Online mailboxes in the Outlook mobile apps or the new Outlook for Mac desktop client. This section may be updated as our investigation progresses.
Next update by: Thursday, April 2, 2026, at 7:30 PM AST https://status.dal.ca/service.php?Service=7 2026-04-04 03:05:57 Footprints is currently down and being investigated by technicians. https://status.dal.ca/service.php?Service=38 2026-04-02 14:07:53 User impact: Users see intermittent delays and failures when utilizing some Power Platform connectors.

More info: Impacted services include, but aren't limited to:
-Power Automate
-Power Apps
-Copilot Studio
-SharePoint Online

Current status: We identified an issue with a portion of infrastructure supporting Power Platform connectivity that is causing unexpected delays and failures with operations utilizing the impacted connector.

Scope of impact: Your organization is affected by this event, and the issue intermittently impacts users utilizing the affected Power Platform connectors. This information may be updated as our investigation continues.

Root cause: An issue with a portion of infrastructure supporting Power Platform connectivity is causing unexpected delays and failures with operations utilizing some connectors.
Next update by: Thursday, April 2, 2026, at 4:00 AM UTC https://status.dal.ca/service.php?Service=39 2026-04-02 14:05:20 Service Restored

Title: Users' Microsoft Teams meeting recordings were missing or unavailable despite recording being started https://status.dal.ca/service.php?Service=6 2026-04-02 14:05:07 User impact: Users may have been unable to access their mailboxes through multiple connection methods in Exchange Online.

More info: Impacted connection methods include:

- Outlook on the web
- Messaging API (MAPI)

Final status: While we were in the process of analyzing timeout errors observed in service health telemetry, system monitoring indicated that the service had returned to normal health. We've confirmed that the issue is no longer occurring and we'll continue to monitor the service to ensure that the problem doesn't happen again.

Scope of impact: This issue may have affected some users in Canada.

Start time: Wednesday, April 1, 2026, at 1:24 PM UTC
End time: Wednesday, April 1, 2026, at 4:29 PM UTC

This is the final update for the event. https://status.dal.ca/service.php?Service=6 2026-04-01 15:24:01 Service Restored

User impact: Users may have been intermittently unable to access their Exchange Online mailboxes in some connection methods.
More info: This issue may have intermittently impacted some users who attempted to access the Exchange Online service through the Outlook mobile apps or the new Outlook for Mac desktop client.
Final status: We've monitored the service for an extended period of time and confirmed that error counts have remained below pre-incident levels, confirming remediation. https://status.dal.ca/service.php?Service=6 2026-04-01 13:31:58 Service Degradation

Title: Some users may be unable to access their mailboxes through multiple connection methods in Exchange Online
User impact: Users may be unable to access their mailboxes through multiple connection methods in Exchange Online. https://status.dal.ca/service.php?Service=39 2026-04-01 12:54:23 Service Restored

Title: Some users receiving cross-cloud chat messages may have seen unknown users in Microsoft Teams
User impact: Users receiving cross-cloud chat messages may have seen unknown users in Microsoft Teams.
Final status: We've identified that a recent standard service update, intended to prepare the service for a new feature to improve the experience for organizations that use cross-cloud chat messages, inadvertently contained a code regression that was resulting in impact. We've reverted the aforementioned update and confirmed impact is no longer occurring after a period of monitoring.
Scope of impact: Impact was specific to some users receiving messages through Microsoft Teams.
Start time: Tuesday, March 24, 2026, at 6:00 PM UTC
End time: Wednesday, April 1, 2026, at 12:40 PM UTC
Root cause: A recent standard service update, intended to prepare the service for a new feature to improve the experience for organizations that use cross-cloud chat messages, inadvertently contained a code regression that was resulting in impact. https://status.dal.ca/service.php?Service=39 2026-04-01 11:10:14 Service Restored

Title: Some users may receive Microsoft Teams meeting invitations as “not supported calendar message.ics" attachments
User impact: Users may have received Microsoft Teams meeting invitations as “not supported calendar message.ics” attachments.
Final status: We've identified a regression was introduced with a recent feature implementation for meeting join link validations, which is leading to this issue. While we continue to investigate what led to this impact within the feature, we've disabled the feature to bypass the path of the regression and confirmed this has addressed the problem. https://status.dal.ca/service.php?Service=37 2026-04-14 10:03:27 Scheduled work complete https://status.dal.ca/service.php?Service=6 2026-04-01 08:43:44 Title: Some users may be unable to access custom add-ins through any Exchange Online connection method
User impact: Users may have been unable to access custom add-ins through any Exchange Online connection method.
More info: For additional guidance on managing Exchange Web Services, please refer to the following:
https://learn.microsoft.com/en-us/exchange/client-developer/exchange-web-services/how-to-control-access-to-ews-in-exchange
Final status: We’ve identified that a recent Exchange Web Services (EWS) deprecation update and an Exchange Online authentication change prevented users from accessing custom add-ins in Outlook. To remediate this issue, we rolled back both offending changes and verified through service monitoring that this action successfully resolved the impact. Admins that have disabled EWS may continue to experience this issue and we recommend that admins re-enable EWS at this time. For additional guidance on managing Exchange Web Services, please refer to the following:
https://learn.microsoft.com/en-us/exchange/client-developer/exchange-web-services/how-to-control-access-to-ews-in-exchange
Scope of impact: Some users who are attempted to access custom add-ins through all Exchange Online connection methods may have been impacted.
Start time: Thursday, March 12, 2026, at 10:04 PM UTC
End time: Friday, March 27, 2026, at 1:40 AM UTC
Root cause: A recent EWS deprecation update and an Exchange Online authentication change prevented users from accessing custom add-ins in Outlook.

This is the final update for the event. https://status.dal.ca/service.php?Service=6 2026-04-01 08:42:03 Title: Some users may be unable to access the default add-ins in Outlook
User impact: Users may have been unable to access the default add-ins in Outlook.
More info: This issue impacted both the Outlook desktop client and Outlook on the web. Some affected users found that the “My Templates” icon was missing from the Outlook ribbon, and others were unable to find templates in the AppData Microsoft Templates location, even though templates were known to exist and were still being used by non-impacted users. Some users also reported that the Viva Insights add-in was impacted by this event.
Final status: We’ve identified that a recent Exchange Web Services (EWS) deprecation update and an Exchange Online authentication change prevented users from accessing default add-ins in Outlook. To remediate this issue, we rolled back both offending changes and verified through service monitoring that this action successfully resolved the impact. Admins that have disabled EWS may continue to experience this issue and we recommend that admins re-enable EWS at this time. For additional guidance on managing Exchange Web Services, please refer to the following:
https://learn.microsoft.com/en-us/exchange/client-developer/exchange-web-services/how-to-control-access-to-ews-in-exchange
Scope of impact: Some users attempting to access or use the default add-ins within Outlook may have been impacted.
Start time: Thursday, March 12, 2026, at 10:04 PM UTC
End time: Friday, March 27, 2026, at 1:40 AM UTC
Root cause: A recent EWS deprecation update and an Exchange Online authentication change prevented users from accessing default add-ins in Outlook.
Next steps:
- We’re reviewing how the impacting changes prevented users from accessing default add-ins so we can avoid similar issues in the future, as EWS is slated to be deprecated by October 2026.
This is the final update for the event. https://status.dal.ca/service.php?Service=39 2026-04-01 08:35:27 Service Restored

Title: Some guest users may be unable to unmute their mics in recurring Microsoft Teams meetings when recording is enabled https://status.dal.ca/service.php?Service=8 2026-03-31 08:30:02 Title: Users may be unable to sync their mailboxes in Exchange Online and receive an error message
User impact: Users may have been unable to sync their mailboxes in Exchange Online and received an error message.
More info: Affected users may have received the following error: "EndpointNotFoundTransientException".
Final status: We've confirmed that the deployment of the code fix has completed, and we've validated with internal monitoring that the impact is remediated.
Scope of impact: This event impacted any user that attempted to sync a mailbox in Exchange Online.
Start time: Thursday, March 19, 2026, at 10:00 AM UTC
End time: Monday, March 30, 2026, at 7:05 PM UTC
Root cause: A recent update intended to improve our internal logging introduced an issue that prevented mailbox syncs from occurring and resulted in the impact.
Next steps:
- We're further reviewing the recent update to understand how exactly the issue was introduced, and to understand what prevented it from being detected in our update testing and validation procedures, which will allow us to prevent similar issues in future updates.
This is the final update for the event. https://status.dal.ca/service.php?Service=21 2026-03-31 07:26:22 Users may be unable to access the new Clipchamp start page within SharePoint Online. https://status.dal.ca/service.php?Service=21 2026-03-30 13:21:16 Resolved:
- Some users’ SharePoint Online search returns may not have been prioritizing high-relevancy items in the results. https://status.dal.ca/service.php?Service=38 2026-03-30 08:45:42 User impact: Users saw incomplete device assignments for Windows feature updates in Intune and Autopatch.

Final status: After a period of monitoring to ensure the remaining assignments were updated as expected, we've confirmed the impact has been remediated.

Scope of impact: Your organization was affected by this event, and all users see incomplete device assignments in Intune and Windows Autopatch for Windows feature updates. This section may have been updated as our investigation continues.
Start time: Saturday, March 14, 2026, at 6:00 AM AST
End time: Thursday, March 26, 2026, at 8:00 AM AST

Root cause: Underlying systems responsible for propagating device assignments between Intune and Windows Autopatch became out of sync, resulting in impact.

Next steps:
- We're continuing our analysis of the underlying systems to determine how they became out of sync so we can take all necessary measures to prevent this from reoccurring.
This is the final update for the event. https://status.dal.ca/service.php?Service=7 2026-03-29 13:49:35 Access to mysupport.dal.ca has now been returned to normal. Thank you for your patience. https://status.dal.ca/service.php?Service=7 2026-03-29 08:14:07 Mysupport.dal.ca is now available.

Until further notice, Mysupport.dal.ca is available ONLY while connected to an on-campus network (wired, Dalhousie wifi or Dalhousie VPN) https://status.dal.ca/service.php?Service=7 2026-03-28 17:58:10 Mysupport.dal.ca is currently unavailable.

Technicians are aware.

Updates will be posted as available. https://status.dal.ca/service.php?Service=37 2026-03-26 13:59:53 Ticket ID: 21110 (Maintenance - Scheduled - Critical)
Start Date: Apr 01, 2026 12:00 AM EST
End Date: Apr 01, 2026 06:00 AM EST
Cause: Upgrade - Software

Service Outage Details
PTT Dispatcher service will be disconnected and will then get a message to click on upgrade Plugin Version to continue using the service.

Impacted Services
Push to Talk

Impacted Locations / Sites
Canada https://status.dal.ca/service.php?Service=39 2026-03-26 07:37:05 Resolved:
- Some users may have been unable to view the Planner app in Microsoft Teams. https://status.dal.ca/service.php?Service=43 2026-03-26 07:29:30 Resolved:

Power BI:
- Users may have experienced delays or problems with publishing from the Power BI desktop application. https://status.dal.ca/service.php?Service=43 2026-03-25 15:21:50 Power BI:
- Users may experience delays or problems with publishing from the Power BI desktop application.