Outage in Microsoft 365
Users may experience latency and get 503 service unavailable errors in SharePoint Online
Resolved Minor
October 01, 2026 - Started about 22 hours ago
- Lasted about 1 hour
Incident Report
Summary AI Generated
**Summary:** SharePoint Online experienced a 1.5-hour incident where users encountered latency, 503 service unavailable errors, and inability to access SharePoint sites. Microsoft identified organizational impact through service-side telemetry and worked to determine a remediation path. The incident remained under active investigation throughout the reported duration.
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.
Components affected
SharePoint OnlineTrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
about 21 hours ago - at 10/01/2026 05:54PM
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
about 22 hours ago - at 10/01/2026 05:28PM
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.
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