Outage in Microsoft 365 Consumer
Investigating user reports of Microsoft 365 Copilot issues
Resolved Major
June 01, 2026 - Started 3 days ago
- Lasted about 3 hours
Incident Report
Summary AI Generated
A routing issue in Microsoft 365 Consumer caused Copilot traffic to be directed to unhealthy infrastructure, resulting in users being unable to access the Microsoft Copilot desktop or web app due to access and timeout errors. The incident lasted 2.5 hours and was resolved by rerouting requests to healthy infrastructure, with service health recovery confirmed through telemetry monitoring.
We identified a routing issue which is sending Copilot traffic to a portion of infrastructure that is unhealthy, resulting in the access and timeout errors. We're rerouting requests to healthy infrastructure and our telemetry is starting to show service health recovery.
Components affected
Microsoft 365 Consumer Microsoft CopilotTrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
3 days ago - at 06/01/2026 05:30PM
Title: Users may be unable to access the Microsoft Copilot desktop or web app
User impact: Users may be unable to access the Copilot desktop or web app.
Current status: We identified a routing issue which is sending Copilot traffic to a portion of infrastructure that is unhealthy, resulting in the access and timeout errors. We're rerouting requests to healthy infrastructure and our telemetry is starting to show service health recovery.
Start time: Monday, June 01, 2026, at 1:55 PM UTC
Next update by: Monday, June 01, 2026, at 6:00 PM UTC
3 days ago - at 06/01/2026 04:46PM
Title: Users may be unable to access the Microsoft Copilot desktop or web app
User impact: Users may be unable to access the Copilot desktop or web app.
Current status: We've received logs from impacted users and are reviewing them to identify the root cause. We're also continuing to monitor our telemetry to determine mitigating actions we can implement in the interim as our investigation progresses.
Start time: Monday, June 01, 2026, at 1:55 PM UTC
Next update by: Monday, June 01, 2026, at 6:00 PM UTC
3 days ago - at 06/01/2026 04:33PM
Title: Users may be unable to access the Microsoft Copilot desktop or web app
User impact: Users may be unable to access the Copilot desktop or web app.
Current status: We're working on getting logs from impacted users to focus our investigative efforts to isolate the source of impact.
Start time: Monday, June 01, 2026, at 1:55 PM UTC
Next update by: Monday, June 01, 2026, at 5:00 PM UTC
3 days ago - at 06/01/2026 03:53PM
Title: Users may be unable to access the Microsoft Copilot desktop or web app
User impact: Users may be unable to access the Microsoft Copilot desktop or web app.
Current status: We’re reviewing our telemetry to determine the specific impact and isolate the root cause.
Next update by: Monday, June 01, 2026, at 5:00 PM UTC
3 days ago - at 06/01/2026 03:18PM
Title: Investigating user reports of Microsoft 365 Copilot issues
User impact: We don't have details on impact yet. We're seeing an increase in user reported issues above our alerting threshold.
Current status: 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.
This communication serves as a preliminary notification about a potential issue affecting your service.
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