Microsoft 365 Alert – Service Degradation – Microsoft Copilot (Microsoft 365) – Users may have been unable to access the Copilot desktop or web app – RESOLVED
02/06/2026 08:37:00 AM
NHSmail Reference: INC46840096
Microsoft Reference: CP1329665
Issue Status: RESOLVED
Issue Description: Users may have been unable to access the Copilot desktop or web app.
Final Update: 02/06/2026 08:37:00 AM– Microsoft has rerouted requests to healthy infrastructure and have confirmed through their telemetry that service health has recovered.
Scope of impact: Some users attempting to utilize Microsoft Copilot may have been impacted.
Root cause: An influx of traffic was routed to a portion of infrastructure not equipped to handle the volume of requests, resulting in the access and timeout errors.
Next steps : To help identify similar issues earlier and prevent impact in the future, we’re further reviewing our automated traffic routing processes and monitoring systems.
They will provide a preliminary Post-Incident Report within two business days and a final Post-Incident Report within five business days.