https://status.dal.ca/ RSS feed of the Dalhousie Status Page updates. en-ca Thu, 9 Oct 2025 08:09:33 America/Halifax Copyright 2017 Dalhousie University. https://status.dal.ca/rss.php https://status.dal.ca/service.php?Service=9 2025-10-07 14:44:44 CHANGE CONTROL NOTICE

Type Of Work: Project

Change Control ID : 2113291

Start Date (yyyy-mm-dd): 2025-10-31
End Date (yyyy-mm-dd): 2025-10-31

Location Of Work: Cape Ray - NL

Reason For Work: Engineering Project

Release Window (24 hr format): 00:30 - 06:30 AST

Affected Circuits:
00144649 - Dalhousie 10Gig - UPEI Vet College, St John's, NL <> Charlottetown, PE

Service Interruption Duration: 4 hours

Service Impact:
Dal's services will be impacted while the service provider does planned work https://status.dal.ca/service.php?Service=9 2025-10-07 14:46:44 CHANGE CONTROL NOTICE

Type Of Work: Project

Change Control ID : 2112171

Start Date (yyyy-mm-dd): 2025-10-28
End Date (yyyy-mm-dd): 2025-10-28

Location Of Work: Cape Ray - NL

Reason For Work: Engineering Project

Release Window (24 hr format): 00:30 - 06:30 AST

Affected Circuits:
00144649 - Dalhousie 10Gig - UPEI Vet College, St John's, NL <> Charlottetown, PE

Service Interruption Duration: 4 hours

Service Impact:
Dal's services will be impacted while the service provider does planned work https://status.dal.ca/service.php?Service=37 2025-10-05 19:29:01 NOTICE
Bell reference number: CM0000001223111
Start time: 2025-10-24 02:01:00 AM AST
End time: 2025-10-24 06:00:00 AM AST
Estimated outage: 30 min
Activity: The service provider needs to proceed with a hardware upgrade at the central office in order to improve service.
Equipment: JUNIPER MX960
CLLI: HLFXNS0190W
Circuit(s) affected:  00/LODA/444155/001/ALNT/000      DALHOUSIE UNIVERSITY 6225 UNIVERSITY AVE HALIFAX NS    https://status.dal.ca/service.php?Service=38 2025-10-08 15:03:30 Status
Service Degradation

Impacted services
Microsoft 365 suite, Exchange Online, Microsoft 365 apps

Title: Users can't send email or calendar events to OneNote through the "Send to OneNote" add-in in any Outlook client
User impact: Users can't send email or calendar events to OneNote through the "Send to OneNote" add-in in any Outlook client.
More info: When users attempt to save an email or calendar event, they receive a message that states, "Error: Cannot save this item to a shared notebook due to sensitivity label restrictions. Please save it to personal notebook."
Current status: We've successfully deployed the fix addressing the code regression and we’re actively monitoring service telemetry to ensure that impact has been mitigated.
Scope of impact: Any user attempting to use the "Send to OneNote" feature to forward emails or calendar events to their OneNote notebooks may be impacted.
Start time: Friday, October 3, 2025, at 11:00 PM UTC
Root cause: A recent deployment introduced a code regression, resulting in impact.
Next update by: Wednesday, October 8, 2025, at 7:00 PM UTC https://status.dal.ca/service.php?Service=43 2025-10-08 07:21:41 Power Automate:
- Reported and resolved: Users may have been unable to manage or run cloud and desktop flows. https://status.dal.ca/service.php?Service=37 2025-10-07 11:22:15 NOTICE

Ticket ID: 21087 (Maintenance - Scheduled - Critical)
Start Date: Oct 07, 2025 11:59 PM AST
End Date: Oct 08, 2025 07:00 AM AST
Cause: Hardware - Replacement

Service Outage Details
During this event, active calls will drop for the PTT Subscribers who are on active calls during the switch over/back between Primary and Geo. New calls can be initiated after 30 sec. Any subscriber will face the above-described impact twice during the maintenance window.

Impacted Services: Push to Talk https://status.dal.ca/service.php?Service=39 2025-10-06 10:08:57 TEAMS NOTICE
Users' Copilot dictate button is missing within Microsoft Teams
Service restored

More info: Platform apps within Teams that use the dictation feature may have also been impacted. The problem occured in all Teams connection methods.

Final status: After a review of telemetry showing Copilot dictate usage returning to pre-impact levels, the service provider has confirmed the impact is remediated. Users who aren't able to see the dictate button will need to restart Teams to resolve the issue.

Start time: Tuesday, September 16, 2025, at 9:49 PM AST
End time: Wednesday, October 1, 2025, at 3:00 PM AST https://status.dal.ca/service.php?Service=19 2025-10-01 16:44:10 Papercut-Student Printing will be unavailable momentarily during maintenance to renew the SSL certificate for the service. Maintenance will begin at 7:30 AM on Oct 6 and is expected to be complete before 8:00AM. https://status.dal.ca/service.php?Service=25 2025-10-05 13:37:52 DalSpace Institutional Repository maintenance is complete. https://status.dal.ca/service.php?Service=25 2025-10-05 10:17:40 DalSpace Institutional Repository is undergoing maintenance October 5, 2025. Please do NOT attempt to submit any new items. Thank you for your patience. https://status.dal.ca/service.php?Service=9 2025-10-05 07:06:24 CHEB main switch reboot was cancelled to allow for more troubleshooting of current state. All networks are working as expected. https://status.dal.ca/service.php?Service=9 2025-10-03 17:20:13 The main switch at CHEB building needs to be rebooted to fix a broken process. Device will be power cycled Sunday October 5th at 5:30 am. All of CHEB building will loose network connectivity for about 10 minutes while the devices reload. https://status.dal.ca/service.php?Service=39 2025-10-02 12:54:22 TEAMS NOTICE
Some users may have been unable to download the correct Teams Windows client installer
Service Restored

More info: Affected users were getting an installer with a .gz extension when attempting to download the installer from the download site.

Final status: The service provider has determined that a recent configuration change to the format of how the Teams Windows client installer is downloaded caused impact to occur. They've implemented a fix to the affected infrastructure and confirmed that impact has been remediated.

Start time: Wednesday, October 1, 2025, at 10:14 PM AST
End time: Thursday, October 2, 2025, at 11:15 AM AST https://status.dal.ca/service.php?Service=39 2025-10-02 11:34:15 TEAMS NOTICE
Some users may be unable to download the correct Teams Windows client installer
Service Degradation

More info: Affected users when attempting to download the installer from the download site, the installer will be downloaded with a .gz extension.
As a workaround, affected users are recommended to download installer using Store App to download Teams Windows client using the following steps:
Go to Store - https://apps.microsoft.com/
Search "Microsoft Teams"
Result will show the Teams app
Select and "Download" the app
Install the app - Once exe file is downloaded
Current status: The service provider is reviewing service monitoring telemetry to isolate the source of the issue and establish a fix. https://status.dal.ca/service.php?Service=6 2025-10-01 16:47:02 EXCHANGE NOTICE
Some users may be unable to access their Exchange Online mailboxes or send email messages
Service Degradation

More info: Users' ability to access their mailbox may be impacted for the following connection methods:
- Outlook on the web
- Outlook desktop client
- Messaging API
- Representational State Transfer (REST) API
- Exchange ActiveSync (EAS)
Additionally, when some users attempt to send email messages using Outlook on the web, they may be stuck on a loading page for at least ten minutes after selecting the send button. Some users that are unable to access their Exchange Online mailboxes may receive an error that states "Something went wrong."

Current Status: This event seems to be a reoccurrence of the issue previously communicated via EX1158764. They service provider is reviewing service telemetry to further isolate the impact scenario and determine their next steps.

Scope of impact: Some users located in the Canada and North America regions attempting to access their Exchange Online mailboxes or send email messages from multiple connection methods may be impacted. https://status.dal.ca/service.php?Service=6 2025-10-01 16:32:03 EXCHANGE NOTICE
Some users may not see auto-complete suggestions when searching in Outlook on the web
Service Degradation

More info: Users may also not see expected results when searching with keywords. As a workaround, suggestions are working on the Outlook mobile application.

Current status: The service provider identified that a recent standard service update inadvertently contains a code regression that's causing impact. They're reverting the update to mitigate impact. https://status.dal.ca/service.php?Service=6 2025-10-01 16:29:59 EXCHANGE NOTICE
Some users experienced errors or failures when accessing their mailbox in one or more Exchange Online connection methods
Service restored

More info: Impact more heavily affected Outlook.com users.
Final status: The service provider has confirmed after a period of monitoring that service availability has returned to normal levels and the backlog of messages have been processed.

Start time: Tuesday, September 30, 2025 at 8:27 PM AST
End Time: Wednesday, October 1, 2025 at 8:15 AM AST https://status.dal.ca/service.php?Service=6 2025-10-01 16:27:46 EXCHANGE NOTICE
Some users may be unable to access their Exchange Online mailboxes or send email messages
Service Restored

More info: Users' ability to access their mailbox may have been impacted for the following connection methods:
- Outlook on the web
- Outlook desktop client
- Messaging API
- Representational State Transfer (REST) API
- Exchange ActiveSync (EAS)
Additionally, when some users attempted to send email messages using Outlook on the web, they may have been stuck on a loading page for at least ten minutes after selecting the send button. Some users that were unable to access their Exchange Online mailboxes may have received an error that states "Something went wrong."
Final status: The deployment completed and the service provider confirmed through telemetry that impact was remediated.
Scope of impact: Some users located in the Canada and North America regions attempting to access their Exchange Online mailboxes or send email messages from multiple connection methods may have been impacted.
Start time: Sunday, September 21, 2025, at 9:00 AM AST
End time: Tuesday, September 30, 2025, at 8:12 PM AST https://status.dal.ca/service.php?Service=38 2025-10-01 16:21:00 POWERPOINT NOTICE
PowerPoint users are unable to open double key encryption (DKE) files on mobile devices
Service Degradation

More info: Additionally, users cannot change DKE file sensitivity labels. This occurs for users leveraging both iOS and Android devices. There is no impact on other platforms where PowerPoint is supported, such as PPT for Win32.
Current status: The service provider recently deployed a change which prevents users from opening DKE files on PPT for mobile devices or creating DKE labeled files as expected. They're developing a subsequent code change to address the issue. https://status.dal.ca/service.php?Service=38 2025-09-29 09:03:17 M365 NOTICE
Users may have experienced issues with multiple M365 services
Service Restored

More info: The impact to services and functionality included, but may not have been limited to: Power BI and Fabric - Degraded performance and service unavailability
Windows 365 - Some users may have been unable to connect to their Windows 365 Cloud PCs
Teams - Notifications pertaining to existing change notification subscriptions, specifically for new messages, message updates and changes in membership, weren't delivering as expected.

Final status: The service provider has completed their period of monitoring service health and can confirm that the issue is resolved.

Scope of impact: This issue may have impacted any user in the Switzerland region attempting to utilize the impacted services and functionality in the More Info section of this communication.

Start time: Friday, September 26, 2025, at 11:03 PM AST
End time: Saturday, September 27, 2025, at 8:05 AM AST https://status.dal.ca/service.php?Service=14 2025-09-29 08:33:13 Service Restored https://status.dal.ca/service.php?Service=9 2025-09-29 08:33:02 Service Restored https://status.dal.ca/service.php?Service=14 2025-09-24 10:37:20 POWER NOTICE

The Tupper transfer switch is in need of essential repairs.
During the repair there will be a 5 minute duration in which Tupper will have no power.

This is scheduled to occur at 12 pm noon on Sunday, September 28, 2025. After this outage, the generator will power the building during the repair. After the repair the transfer switch will be tested to ensure that it is operating as intended. https://status.dal.ca/service.php?Service=9 2025-09-24 10:37:04 NETWORK NOTICE

The Tupper transfer switch is in need of essential repairs.
During the repair there will be a 5 minute duration in which Tupper will have no power which will result in the network being unavailable.

This is scheduled to occur at 12 pm noon on Sunday, September 28, 2025. After this outage, the generator will power the building during the repair. After the repair the transfer switch will be tested to ensure that it is operating as intended. https://status.dal.ca/service.php?Service=9 2025-09-26 09:46:36 M365 NOTICE
Users may be unable to access portal.office.com through M365 apps for the web
Service Restored

More info: impact included the inability to install Microsoft 365 apps directly from portal.office.com.
Final status: The service provider's analysis of the aforementioned investigative material has determined that the application of a configuration change specific to infrastructure responsible for facilitating access to portal.office.com wasn’t properly updated and resulted in impact. They’ve manually updated the affected service infrastructure and after an extended period of monitoring the service health telemetry, confirmed that impact has been remediated.
Scope of impact: Users who attempted to access portal.office.com through M365 apps for the web may have been affected.
Start time: Thursday, September 25, 2025, at 9:30 PM AST
End time: Friday, September 26, 2025, at 12:15 AM AST https://status.dal.ca/service.php?Service=6 2025-09-24 14:10:26 EXCHANGE NOTICE
Some users may be unable to access their Exchange Online mailboxes or send email messages
Service Degradation

More info: The problem occurs in the Outlook desktop client and Outlook on the web. When some users attempt to send email messages using Outlook on the web, they may be stuck on a loading page for at least ten minutes after selecting the send button. Some users that are unable to access their Exchange Online mailboxes may receive an error that states "Something went wrong."
Current status: The service provider is reviewing newly provided HTTP Archive format (HAR) logs from a subset of affected users to identify which error messages are being returned and determine the next steps to continue the root cause investigation. https://status.dal.ca/service.php?Service=17 2025-09-28 07:51:28 Issue with Dalhousie wifi network
has been isolated and corrected. Report any continued issue to support@dal.ca https://status.dal.ca/service.php?Service=6 2025-09-24 10:05:08 EXCHANGE NOTICE
Some users may be unable to access their Exchange Online mailboxes or send email messages
Service Restored

More info: Users may have been intermittently unable to access their Exchange Online mailboxes or email messages from the Outlook desktop client or Outlook on the web.
When some users attempted to send email messages using Outlook on the web, they may have gotten stuck on a loading page for at least ten minutes after selecting the send button.
Some impacted users may have received an error that stated "Something went wrong."
Final status: The service provider has verified that a portion of regional service infrastructure leveraged to facilitate user access to Exchange Online mailboxes entered a suboptimal memory management state, resulting in impact. While they were assessing their options to resolve the issue, they observed full recovery through their internal service metrics and determined through additional monitoring that impact is remediated.
Scope of impact: Some users located in the Canada region attempting to access their Exchange Online mailboxes or send email messages from Outlook on the web or the Outlook desktop client may have been impacted.

Start time: Tuesday, September 23, 2025, at 8:45 AM AST
End time: Tuesday, September 23, 2025, at 8:45 PM AST https://status.dal.ca/service.php?Service=17 2025-09-24 09:20:02 Wireless Network has been restored. https://status.dal.ca/service.php?Service=17 2025-09-24 08:59:50 Issue with Dalhousie wifi network
has been isolated and corrected. Report any continued issue to support@dal.ca https://status.dal.ca/service.php?Service=17 2025-09-24 08:34:58 We are facing campus wide network issues. Technicians are investigating this matter. https://status.dal.ca/service.php?Service=37 2025-09-29 08:32:17 Service Restored https://status.dal.ca/service.php?Service=37 2025-09-23 09:15:01 NOTICE
Ticket ID: 21084 (Maintenance - Scheduled - Critical)
Start Date: Sep 23, 2025 10:00 PM AST
End Date: Sep 24, 2025 07:00 AM AST
Cause: Hardware - Software upgrade

Service Outage Details
During this event, active calls will drop for the PTT Subscribers who are on active calls during the switch over/back between Primary and Geo. New calls can be initiated after 30 sec. Any subscriber will face the above-described impact twice during the maintenance window.

Impacted Services: Push to Talk https://status.dal.ca/service.php?Service=39 2025-09-23 09:38:40 TEAMS NOTICE
Users leveraging Surface Copilot + PC devices with Snapdragon Qualcomm processors can’t start video in Teams
Service Degradation

More info: As a workaround, users can mitigate this issue by turning off Windows Studio effects until a fix is made available:
1. Select Start and then select Settings
2. Select Bluetooth & devices, then Cameras, and then Surface Camera Front
3. Expand the section for Windows Studio Effects and then turn off each effect.

Current status: The service provider has identified and investigated an issue in which users with Surface Copilot + PC devices with Snapdragon Qualcomm processors can’t start video in Teams and determined that a recently released Windows Update is causing the problem. A new driver for the impacted processors is being developed to resolve the issue.

Scope of impact: Your organization is impacted by this event, and the problem impacts users leveraging Surface Copilot + PC devices with Snapdragon Qualcomm processors that are trying to start video during Teams meetings. https://status.dal.ca/service.php?Service=39 2025-09-23 09:36:09 TEAMS NOTICE
Some users may have been unable to view profile information for other users in Teams
Service Restored

More info: Affected users may have seen “Unknown User” in place of names, and may also have been unable to find people using search in Teams.
Final status: While the service provider was in the process of analyzing service monitoring telemetry to isolate the source of the issue and establish a fix, system monitoring indicated that the service had returned to normal health. They've confirmed that the issue is no longer occurring and they'll continue to monitor the service to ensure that the problem does not happen again.

Start time: Tuesday, September 23, 2025, at 3:30 AM AST
End time: Tuesday, September 23, 2025, at 4:20 AM AST https://status.dal.ca/service.php?Service=37 2025-09-23 09:14:39 Service Restored https://status.dal.ca/service.php?Service=37 2025-09-19 11:36:24 NOTICE
Ticket ID: 21083 (Maintenance - Scheduled - Critical)
Start Date: Sep 22, 2025 10:00 PM AST
End Date: Sep 23, 2025 07:00 AM AST
Cause: Hardware - Software upgrade

Service Outage Details
During this event, active calls will drop for the PTT Subscribers who are on active calls during the switch over/back between Primary and Geo. New calls can be initiated after 30 sec. Any subscriber will face the above-described impact twice during the maintenance window.

Impacted Services: Push to Talk https://status.dal.ca/service.php?Service=9 2025-09-23 09:20:08 The Dalhousie VPN will be unavailable for a brief period (5min) at 8PM Sept 22 while a cable is replaced and the appliances restarted. https://status.dal.ca/service.php?Service=39 2025-09-22 13:53:19 TEAMS NOTICE
Users are unable to utilize multiple functionalities in Teams
Service Restored

More info: Impacted functionalities included:
- viewing suggested teams when searching for teams
- utilizing "join by code" when joining a team
- loading extra apps in the side bar
Final status: The service provider has identified that a recent deployment intended to provide optimizations to their caching infrastructure had encountered an issue during the deployment procedure that resulted in a high resource utilization event, which caused requests for the affected functionality to fail. They've rerouted request traffic to alternate infrastructure and confirmed the issue was successfully resolved.
Scope of impact: Users hosted in France or the eastern United States were impacted.

Start time: Monday, September 22, 2025, at 5:25 AM AST
End time: Monday, September 22, 2025, at 11:15 AM AST https://status.dal.ca/service.php?Service=39 2025-09-22 12:05:43 TEAMS NOTICE
Users with iPhone 17 devices may see that their video orientation is set incorrectly in Teams meetings
Service Restored

More info: This issue could’ve impacted any iPhone 17 device, including the Pro, Pro Max, and Air series devices. When the device was in portrait mode, the front camera on the device was set to Landscape mode, and vice versa when the device was set in landscape mode.
Final status: The service provider applied a fix to the iPhone 17 devices and confirmed through additional internal testing that the issue is fully resolved.

Start time: Friday, September 19, 2025, at 12:00 PM AST
End time: Saturday, September 20, 2025, at 8:24 PM AST https://status.dal.ca/service.php?Service=14 2025-09-22 08:36:55 Service Restored https://status.dal.ca/service.php?Service=9 2025-09-22 08:36:42 Service Restored https://status.dal.ca/service.php?Service=14 2025-09-18 15:07:18 POWER NOTICE
Potential power outage in Tupper Building Sunday, September 21 from 7pm - 12-1am. https://status.dal.ca/service.php?Service=9 2025-09-18 15:08:48 NETWORK NOTICE
Due to potential power outage in Tupper Building Sunday, September 21 from 7pm - 12-1am, there may be some network interruptions. https://status.dal.ca/service.php?Service=6 2025-09-19 11:38:09 EXCHANGE NOTICE
Some users may be unable to access their Exchange Online mailbox using Outlook on the web
Service Restored

Final status: The service provider has confirmed through service health telemetry that restarting the affected infrastructure remediated the impact.
Scope of impact: Some users located in Canada that were attempting to access their Exchange Online mailbox through Outlook on the web were impacted.
Start time: Thursday, September 18, 2025, at 10:45 AM AST
End time: Thursday, September 18, 2025, at 6:59 PM AST https://status.dal.ca/service.php?Service=34 2025-09-19 06:27:10 Turnitin is no longer available at Dalhousie. https://status.dal.ca/service.php?Service=9 2025-09-18 16:51:52 Update: Network outage cause has been identified and recovery is underway. Recovery will be incremental by building with a full recovery ETA of approximately 6:00PM. https://status.dal.ca/service.php?Service=9 2025-09-18 15:37:00 Currently experiencing a network outage and investigating. https://status.dal.ca/service.php?Service=25 2025-09-18 12:15:18 Service has been restored. https://status.dal.ca/service.php?Service=25 2025-09-18 11:54:22 Dalspace is currently unavailable. Technicians are working on it. https://status.dal.ca/service.php?Service=39 2025-09-16 15:59:37 TEAMS NOTICE
Some users may experience latency and buffering when attending Teams live events
Service Restored

More info: The problem intermittently impacted some live events and was specific to attendees. Impacted attendees saw a buffering spinning circle while attending live events and viewing previously recorded live events.
The service provider recommended users to switch to Teams town halls as they were not impacted.
All users that used Teams town halls saw Akamai as the Content Delivery Network (CDN) being used.
Final status: The service provider has identified that a portion of the CDN infrastructure that serves Live Events performed below acceptable thresholds, increasing request latency for some streams and resulted in attendee buffering. To remediate this issue, their content delivery partners restored the performance of the CDN infrastructure, which successfully resolved the impact, and they've verified resolution with the affected users.

Start time: Monday, September 15, 2025, at 9:50 AM AST
End time: Monday, September 15, 2025, at 6:30 PM AST https://status.dal.ca/service.php?Service=9 2025-09-16 14:17:53 Truro campus: Network restored https://status.dal.ca/service.php?Service=9 2025-09-16 12:59:51 Truro campus: Network outage. Technicians are investigating. https://status.dal.ca/service.php?Service=39 2025-09-16 08:43:55 TEAMS NOTICE
Some users may experience latency and buffering when attending Teams live events
Service Degradation

More info: The problem intermittently impacts some live events and is specific to attendees. Impacted attendees see a buffering spinning circle while attending live events and viewing previously recorded live events.
We recommend affected users to switch to Teams town halls as they are not impacted.
All customers using Townhall will see Akamai as the Content Delivery Network (CDN) being used.
Current status: The service provider is investigating Teams live event service telemetry to identify what's causing the service degradation and increase in latency to help formulate a remediation plan. While they further investigate the underlying root cause, they recommend users temporarily switch to Teams town halls as they aren’t impacted. https://status.dal.ca/service.php?Service=43 2025-09-15 13:30:25 Resolved:

Power Automate:
- Users were receiving an error when a flow with an HTTP trigger was run. https://status.dal.ca/service.php?Service=13 2025-09-15 12:54:14 The performance issue on the Banner Admin pages has been resolved https://status.dal.ca/service.php?Service=13 2025-09-15 12:14:30 There have been reports of response issues with the Banner Admin Pages
The issue is currently being investigated. https://status.dal.ca/service.php?Service=6 2025-09-15 10:00:52 EXCHANGE NOTICE
Some users may be unable to send or receive email from the Outlook mobile app on their Android and iOS devices
Service Restored

More info: Affected users utilized Hybrid Modern Authentication (HMA).
Final status: The service provider has completed deployment of the fix across all affected environments, and after monitoring the service, they've verified that the issue has been successfully resolved.

Start time: Thursday, August 14, 2025, at 4:32 AM AST
End time: Friday, September 12, 2025, at 4:16 PM AST https://status.dal.ca/service.php?Service=43 2025-09-15 08:10:13 Power Automate:
- Users are receiving an error when a flow with an HTTP trigger is run. https://status.dal.ca/service.php?Service=36 2025-09-12 09:05:45 CHANGE CONTROL COMPLETION NOTICE

Customer: Canary NOC
Start Date: 2025-09-12
End Date: 2025-09-12

Location Of Work: CornerBrooke - NL

Reason For Work: Engineering Project

Release Window (24 hr format): 00:00 - 06:00 Newfoundland

Affected Circuits:
00144649 - 10G Canarie Charlottetown to St Johns - UPEI Vet https://status.dal.ca/service.php?Service=21 2025-09-12 08:33:28 Resolved:
Users may have been intermittently unable to switch to calendar view in SharePoint Online. https://status.dal.ca/service.php?Service=36 2025-08-21 10:03:04 CHANGE CONTROL NOTICE

Type Of Work: Project

Customer: Canary NOC

Change Control ID : 2082823

Start Date (yyyy-mm-dd): 2025-09-12
End Date (yyyy-mm-dd): 2025-09-12

Location Of Work: CornerBrooke - NL

Reason For Work: Engineering Project

Release Window (24 hr format): 00:00 - 06:00 Newfoundland

Affected Circuits:
00144649 - 10G Canarie Charlottetown to St Johns - UPEI Vet

Service Interruption Duration: less than 30 minute

Service Impact:
Your services will be impacted while we perform Core Network Maintenance https://status.dal.ca/service.php?Service=21 2025-09-11 11:44:44 Some users may be intermittently unable to switch to calendar view in SharePoint Online. https://status.dal.ca/service.php?Service=38 2025-09-10 14:07:33 M365 NOTICE
Some users may be blocked from opening URLs in Exchange Online messages and Teams
Service Restored

More info: Additionally, admins may have received alerts titled "A potentially malicious URL click was detected involving one user"; however, the URLs were confirmed as safe.
Some email messages may have also been incorrectly quarantined.
Final status: After an extended period of monitoring, the service provider has confirmed that the service remains healthy and users will no longer experience impact.

Start time: Friday, September 5, 2025, at 11:10 AM AST
End time: Tuesday, September 9, 2025, at 5:46 PM AST https://status.dal.ca/service.php?Service=38 2025-09-09 13:58:09 Resolved:
Copilot:
- Users' transcription may not have been automatically enabled by Microsoft 365 Copilot when creating Teams meetings. https://status.dal.ca/service.php?Service=37 2025-09-09 10:42:56 NOTICE
Service Restored

Bell reference number: CM0000001212516
Start time: 2025-09-09 02:00:00 AM AST
End time: 2025-09-09 06:00:00 AM AST
Estimated outage: 45 min
Activity: The service provider needs to proceed with a preventive maintenance at the central office in order to avoid a loss of service.
Equipment: 7750 SR-12
CLLI: DRMONS05D04
Circuit(s) affected:
 00/ARDU/902/463/2876      DALHOUSIE UNIVERSITY 1 CHALLENGER DRIVE DARTMOUTH NOVA SCOTIA CANADA  https://status.dal.ca/service.php?Service=17 2025-09-09 09:42:03 Coburg Place - Network issues were caused by a power disruption on the 3rd floor.
This has been fixed and the network has been restored. https://status.dal.ca/service.php?Service=9 2025-09-09 09:41:51 Coburg Place - Network issues were caused by a power disruption on the 3rd floor.
This has been fixed and the network has been restored. https://status.dal.ca/service.php?Service=17 2025-09-09 08:53:01 Network outage affecting parts of Coburg Place building.
Technicians are investigating. https://status.dal.ca/service.php?Service=9 2025-09-09 08:52:40 Network outage affecting parts of Coburg Place building.
Technicians are investigating. https://status.dal.ca/service.php?Service=9 2025-09-07 14:19:47 Completed. https://status.dal.ca/service.php?Service=9 2025-09-05 13:57:39 Maintenance (upgrade) will be carried out on some of our network core devices, on Sunday September 7th. There will be intermittent service interruption during the maintenance window : 5.00am - 10.00am. https://status.dal.ca/service.php?Service=9 2025-09-05 13:53:45 Issue resolved https://status.dal.ca/service.php?Service=39 2025-09-05 10:53:47 TEAMS NOTICE
Some users may be unable to create meetings from their new calendar in Teams
Service Restored

Final status: The service provider has identified that their previously-identified root cause, where impact appeared to be specific to users with policies disabling Copilot, may not have been the singular underlying source of impact. After further analysis, they determined that a portion of regional infrastructure leveraged to facilitate meeting creation entered an unhealthy state but has since recovered. They've confirmed through user feedback and additional testing that impact is fully resolved.

Start time: Sunday, August 3, 2025, at 11:43 PM AST
End time: Friday, September 5, 2025, at 2:00 AM AST https://status.dal.ca/service.php?Service=37 2025-09-05 08:59:46 Service Restored https://status.dal.ca/service.php?Service=38 2025-09-05 08:15:18 Copilot:
- Users' transcription may not automatically be enabled by Microsoft 365 Copilot when creating Teams meetings. https://status.dal.ca/service.php?Service=38 2025-09-05 08:12:39 Resolved:
Copilot:
- Users intermittently couldn't access Microsoft 365 Copilot in Microsoft Teams and received a "Coming Soon" page. https://status.dal.ca/service.php?Service=6 2025-09-04 15:49:57 EXCHANGE NOTICE
Some users' Outlook calendar time indicators may not be reflecting accurately or updating
Service Restored

More info: Impact was specific to the new Outlook desktop experience and Outlook on the web.
Affected users may have been able to restart the impacted Outlook client to have the time indicator sync and reflect accurately.

Final status: The service provider has completed deployment of the code change to all users and confirmed through their service health monitoring that the impact is remediated.

Start time: Sunday, August 3, 2025, at 9:00 PM AST
End time: Wednesday, September 3, 2025, at 4:00 PM AST https://status.dal.ca/service.php?Service=39 2025-09-04 15:26:37 TEAMS NOTICE
Some users may see a blank screen during meetings and calls from the Teams desktop version
Service Restored

More info: This issue was limited to users who were on devices that leveraged certain versions of Intel driver 32.0.101.69xx (including but not limited to, 32.0.101.6913, 32.0.101.6987, and 32.0.101.6989). Impacted users may have seen that Teams froze for some time, and then it automatically recovered.
Affected users could have used the Teams web app as a workaround until this issue was addressed.

Final status: The service provider has validated with a subset of users that downloading the latest driver version (32.0.101.7026) resolves impact and users are able to create meetings or calls from the Teams desktop client as expected.

Start time: Monday, August 11, 2025, at 4:30 AM AST
End time: Tuesday, September 2, 2025, at 5:36 PM AST https://status.dal.ca/service.php?Service=43 2025-09-04 09:00:14 Resolved:
- Users were encountering an error when saving solution flows that contain connections within Microsoft Power Automate. https://status.dal.ca/service.php?Service=38 2025-09-04 08:32:48 Copilot:
- Users intermittently can't access Microsoft 365 Copilot in Microsoft Teams and receive a "Coming Soon" page. https://status.dal.ca/service.php?Service=43 2025-09-04 08:59:38 Power Automate:
- Users are encountering an error when saving solution flows that contain connections within Microsoft Power Automate. https://status.dal.ca/service.php?Service=37 2025-08-29 13:39:00 NOTICE
Reference number CM0000001201534
Start time 2025-09-04 02:00:00 AM (AST)
End time 2025-09-04 06:00:00 AM (AST)
Estimated outage 1 h
Status APPROVED
Activity The service provider needs to proceed with a preventive maintenance at the central office in order to avoid a loss of service.
Equipment: 7750
CLLI: DRMONS05D04 https://status.dal.ca/service.php?Service=38 2025-09-03 12:39:18 M365 NOTICE
Unable to access multiple M365 services in the Brazil region
Service Restored

More info: Users attempting to access M365 service may have experienced latency or degraded feature performance.
Final status: The service provider has identified an infrastructure change in the Brazil South region that caused intermittent access and performance issues. After redirecting network traffic, they've confirmed through system telemetry that service health has been restored.
Scope of impact: Impact was specific to a subset of users who were accessing the service from Brazil.
Start Time: Wednesday, September 3, 2025, at 10:55 AM AST
End time: Wednesday, September 3, 2025, at 11:20 AM AST https://status.dal.ca/service.php?Service=39 2025-09-03 10:50:21 TEAMS NOTICE
Some users with sensitivity label inheritance enabled may have experienced issues when sharing files in meetings
Service restored

More info: Users may have seen impact with inheritance enabled through Auto or Recommendation.
Final status: The service provider has determined that a recent standard service update inadvertently contained a code regression, which resulted in impact. They've developed and deployed the fix to address the misconfiguration and confirmed after monitoring service telemetry, that impact has been remediated.
Start time: Tuesday, September 2, 2025, at 1:00 AM AST
End time: Wednesday, September 3, 2025, at 3:00 AM AST https://status.dal.ca/service.php?Service=38 2025-09-03 11:40:25 RESOLVED: Microsoft 365 Copilot Chat:
- Users may have encountered persistent error messages stating 'Something didn't work. Please try again later' when attempting to use Microsoft 365 Copilot chat. https://status.dal.ca/service.php?Service=9 2025-09-02 15:41:45 Network wide/ all campuses: we are getting reports of delayed network connectivity. Wireless and wired connections are being impacted. Technicians are actively investigating https://status.dal.ca/service.php?Service=6 2025-09-02 11:57:38 EXCHANGE NOTICE
Some attendees may receive an unexpected cancellation message when an Exchange Online shared calendar event is updated
Service Restored

Final status: The service provider confirmed after a period of monitoring that issue has been remediated.
Scope of impact: Some attendees with enabled calendar sharing improvements may have been intermittently receiving cancellation messages for updated shared calendar events when the event was still active.
Start time: Wednesday, June 4, 2025, at 9:00 PM AST
End time: Tuesday, September 2, 2025, at 2:00 AM AST https://status.dal.ca/service.php?Service=39 2025-09-02 11:55:32 TEAMS NOTICE
Users may be unable to create a new approvals post or reply through the message extension in Teams Approvals
Service Restored

More info: The approval creation screen didn't appear, and instead users may have seen a displayed prompt to "quickly create approvals directly from a compose extension." Affected users could have gone directly to the Teams Approvals app and create an approval there to avoid impact.
In addition, both the Praise and Updates apps in Teams were experiencing similar impact with a pop-up prompt when accessed through the message extension.
Final status: The service provider has repaired the app definition configuration and confirmed the issue has been addressed through internal testing.
Start time: Tuesday, August 26, 2025, at 2:43 AM AST
End time: Monday, September 1, 2025, at 9:16 PM AST https://status.dal.ca/service.php?Service=39 2025-09-02 11:02:15 TEAMS NOTICE
Some users may be unable to schedule Teams meetings in Teams or Outlook
Service Restored

More info: Users may have been unable to schedule Teams meetings in the following clients:
- Teams desktop client
- Teams web client
- Outlook desktop client
- Outlook on the web
- Outlook mobile app
- Outlook for Mac
Users may have noticed that the Teams meeting add-in was missing when using one of the affected Outlook clients, which prevented users from being able to create Teams meetings.
Users may have also noticed that the Teams meeting information was missing on Calendar invites.
Users with access to the Teams mobile app may have been able to bypass impact and schedule Teams meetings using this client while we worked to investigate and resolve this issue.

Final status: The service provider has completed running the background settings for all affected users and confirmed after testing with a subset of users that the impact is remediated.

Start time: Wednesday, August 20, 2025, at 2:45 AM AST
End time: Monday, September 1, 2025, at 12:00 PM AST https://status.dal.ca/service.php?Service=6 2025-09-02 10:58:06 EXCHANGE NOTICE
Users may not see updated unread message counts for some folders in Outlook on the web and Outlook for Mac
Service Restored

More info: Users may need to refresh to see updated counts.
Final status: The update has been disabled and the service provider has confirmed through service telemetry that impact is remediated.
Scope of impact: Impact was specific to some users attempting to see updated unread message counts for some folders in Outlook on the web and Outlook for Mac.
Start time: Friday, August 22, 2025, at 8:00 PM AST
End time: Saturday, August 30, 2025, at 1:30 PM AST https://status.dal.ca/service.php?Service=6 2025-09-02 10:59:04 EXCHANGE NOTICE
Users may be unable to access sender.office.com
Service Restored

More info: As a result of being unable to access sender.office.com, users may have been unable to delist IP addresses from the service provider's anti-spam lists.
Final status: the service provider performed additional troubleshooting and they were able to successfully reconfigure the impacting authentication component. Once the reconfiguration completed, they restarted system services and monitored the environment to validate that the impact was remediated.

Start time: Wednesday, August 27, 2025, at 7:59 PM AST
End time: Friday, August 29, 2025, at 6:50 PM AST https://status.dal.ca/service.php?Service=6 2025-09-02 10:44:35 EXCHANGE NOTICE
Users may be unable to access sender.office.com
Service Degradation

More info: As a result of being unable to access sender.office.com, users may be unable to delist IP addresses from the service provier's anti-spam lists.
Current status: The service provider has identified that an authentication component within a portion of service infrastructure is misconfigured and causing the impact. They're working to reconfigure the authentication component to restore the service to expected functionality. https://status.dal.ca/service.php?Service=9 2025-08-31 12:52:27 Completed https://status.dal.ca/service.php?Service=9 2025-08-27 15:46:01 We will be patching our firewalls and management centers (FMC) to the vendor recommended patches on Sunday August 31st.

There will be intermittent service disruption during the maintenance window (5.00am - 10.00am). https://status.dal.ca/service.php?Service=9 2025-08-29 12:05:50 Power work was happening on areas of Sexton campus which caused the network outages in A, B, and D buildings.
This issue has been resolved and the network it back up. https://status.dal.ca/service.php?Service=17 2025-08-29 12:05:31 Power work was happening on areas of Sexton campus which caused the network outages in A, B, and D buildings.
This issue has been resolved and the network it back up. https://status.dal.ca/service.php?Service=39 2025-08-29 10:58:48 TEAMS NOTICE
Some users may be unable to schedule Teams meetings in Teams or Outlook
Service Degradation

More info: Users may be unable to schedule Teams meetings in the following clients:
- Teams desktop client
- Teams web client
- Outlook desktop client
- Outlook on the web
- Outlook mobile app

Users with access to the Teams mobile app may be able to bypass impact and schedule Teams meetings using this client while the service provider works to investigate and resolve this issue.

Current status: The service provider is continuing some affected mailboxes to ensure that the job completes as expected. https://status.dal.ca/service.php?Service=39 2025-08-29 10:41:20 TEAMS NOTICE
Some users may be unable to create meetings from their new calendar in Teams
Service Degradation

More info: Impact is specific to some users who have set a meeting policy where copilot is disabled and meeting recording is set to 'On', which populates the following error message:
''Couldn't create a Teams meeting. Send the invite to reserve the time and try making it a Teams meeting later."
Current status: The service provider is waiting for confirmation from some users who initially reported the issue that manually adjusting a configuration change remediates impact as an immediate fix. Additionally, they're further investigating the underlying root cause to develop a long-term widespread solution. https://status.dal.ca/service.php?Service=9 2025-08-29 09:51:43 There is currently a network disruption affecting parts of Sexton A, B, and D buildings.
Technicians are investigating.