Service issues › CW1480927
We're looking into a potential problem impacting Microsoft 365 Copilot Chat
- Started
- 28 Sep 2026 15:34 UTC
- Resolved
- 28 Sep 2026 18:42 UTC
- Status
- falsePositive
- Origin
- microsoft
Timeline & resolution
28 Sep 2026 18:42 UTC · regular
Title: We're looking into a potential problem impacting Microsoft 365 Copilot Chat
User impact: We're checking for potential impact to your users.
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.
28 Sep 2026 18:00 UTC · regular
Title: We're looking into a potential problem impacting Microsoft 365 Copilot Chat
User impact: We're checking for potential impact to your users.
Current status: We're investigating a potential issue impacting Microsoft 365 Copilot Chat and checking for impact to your organization. We'll provide an update within 30 minutes.
© Microsoft — archived from Microsoft 365 service health. Content notice