Microsoft incident · via Microsoft 365 (Admin Center)
Microsoft Admin Center
Microsoft experienced a minor incident on September 16, 2026, lasting 1h 9m. The incident has been resolved; the full update timeline is below.
Update timeline
- monitoring Sep 16, 2026, 05:59 PM UTC
Title: Some users in the United States and United Kingdom may be unable to access Microsoft 365 services User impact: Users in the United States and United Kingdom may be unable to access Microsoft 365 services. More info: Impacted users may encounter 502 or 503 errors when attempting to access Microsoft 365 services. Current status: Impact reports have largely subsided, and service telemetry continues to indicate stable service conditions. Our investigation hasn’t identified a corresponding issue within the Microsoft 365 service environment, and we’re assessing whether conditions outside the core service path contributed to the reported impact. We’re continuing to monitor service health and validate sustained recovery. Start time: Wednesday, September 16, 2026, at 1:22 PM UTC Next update by: Wednesday, September 16, 2026, at 6:30 PM UTC