Users may experience latency and get 503 service unavailable errors in SharePoint Online

Title: Users may experience latency and get 503 service unavailable errors in SharePoint Online User impact: Users may experience latency and get 503 service unavailable errors in SharePoint Online. 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.

Title: Users may experience latency and get 503 service unavailable errors in SharePoint Online User impact: Users may experience latency and get 503 service unavailable errors in SharePoint Online. Current status: We're using our service-side telemetry to help understand this issue and determine a remediation path. Scope of impact: Your organization is impacted by this event, and users may experience latency and get 503 service unavailable errors in SharePoint Online. Next update by: Thursday, October 1, 2026, at 7:00 PM UTC

Title: Potential issues accessing SharePoint Online sites User impact: Users may be unable to access SharePoint Online sites and may notice delays or navigation errors. Current Status: We're investigating a potential issue and checking for impact to your organization. We'll provide an update within one hour.