Microsoft 365 Alert – Service Degradation – Microsoft 365 suite – Some users may experience failures or timeouts while accessing Microsoft Copilot (Microsoft 365) – RESOLVED

Announcements Arpan Das

16/02/2026 08:47:00 AM

NHSmail Reference: INC46749961

Microsoft Reference: MO1231810

Issue Status: RESOLVED

Issue Description: Users may experience failures or timeouts while accessing Copilot.

Current Update: 16/02/2026 08:48:00 AM – Microsoft’s has applied the mitigation and the affected components have been restored to full-service capacity. They will continue to monitor service availability and investigate the underlying root cause.

Scope of impact: Impact was specific to user attempting to access Copilot.

Root cause: Traffic management measures were applied as part of a mitigation for a configuration issue, which caused user impact. More details will be provided in the Post‑Incident Report.

Next Steps: Microsoft will provide a preliminary Post-Incident Report within two business days and a final Post-Incident Report within five business days.