Microsoft 365 Alert – Service Degradation – Microsoft OneDrive – Some users may have been unable to access Microsoft OneDrive content and may have noticed delays or navigation errors – RESOLVED

Announcements Sharmista Mohanta

13/07/2026 08:45:00 AM

NHSmail Reference: INC46876934

Microsoft Reference: OD1424850

Issue Status: RESOLVED

Issue Description: Users may have been unable to access OneDrive content and may have noticed delays or navigation errors.

Final Update: 13/07/2026 08:46:00 AM – Microsoft has confirmed, following a period of monitoring service telemetry, that redirecting user traffic to alternate infrastructure successfully resolved the issue.

Scope of impact: This issue impacted internal Microsoft users only.

Root cause: A section of SQL database infrastructure is performing below acceptable performance thresholds and resulting in impact.

Next Steps: Microsoft is analysing performance data and trends on the affected infrastructure to help prevent this problem from happening again.