Microsoft 365 (Business or Enterprise) incident
We're looking into a potential problem impacting Microsoft 365 Copilot chat
Minor Resolved
Microsoft 365 (Business or Enterprise) experienced a minor incident on April 28, 2026, lasting 5m. The incident has been resolved; the full update timeline is below.
Update timeline
- monitoring Apr 28, 2026, 09:46 PM UTC
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.
- resolved Apr 28, 2026, 09:52 PM UTC
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 has expired. This is the final update for the event.