O365 - General
| 2026-02-23 | Status | Description |
|---|---|---|
| 02:05 PM |
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Title: Users may experience issues when trying to access services that require Multi-Factor Authentication (MFA) User impact: Some users may experience issues accessing Microsoft 365 services, particularly during sign‑in or authentication. More Info: Customers in North America who leverage Cisco/Duo in their MFA sign-in flow were impacted. Final status: We've confirmed that the reported impact has been mitigated. Our investigation determined that Microsoft services were operating as expected throughout the incident. We’ve confirmed with a third‑party authentication provider (Cisco/Duo) that a fix deployed within their environment has resolved the issue, and we’re seeing successful authentication attempts. Scope of impact: This issue may have affected any user within your organization leveraging MFA for sign-in. We've confirmed the following region(s) were impacted by this issue: North America. Additional impacted region(s) may be included as our investigation continues. Start time: Monday, February 23, 2026, at 2:00 PM UTC End time: Monday, February 23, 2026, at 4:38 PM UTC Preliminary root cause: A third‑party authentication provider experienced an issue within their environment, which resulted in authentication failures when users attempted to sign in to Microsoft services that depend on that provider. Next steps: This incident is considered resolved by a third-party without Microsoft action. We’ll continue to monitor service telemetry to ensure ongoing stability. This is the final update for the event. |
| 01:03 PM |
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ID: MO1237461 Issue type: Incident Status Service Degradation Impacted services Microsoft 365 suite Details Title: We're looking into a potential problem impacting Microsoft 365 services User impact: We're checking for potential impact to your users. Current status: We're investigating a potential issue with the Microsoft 365 service and checking for impact to your organization. We'll provide an update within 30 minutes. |
| 2026-02-20 | Status | Description |
|---|---|---|
| 08:35 AM |
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Users may see delays with Microsoft Planner tasks updating to Microsoft To-Do. |
No Issue
Outage
