Microsoft 365 Alert – Service Degradation – Microsoft 365 suite – Users may be unable to access Microsoft Copilot or experience degraded functionality with some features – ONGOING

Announcements Arpan Das

05/12/2025 08:26:00 AM

NHSmail Reference: INC46701931

Microsoft Reference: MO1193592

Issue Status: ONGOING

Issue Description: Users may be unable to access Microsoft Copilot or experience degraded functionality with some features.

More Info: Users may be unable to access Microsoft Copilot via:

– copilot.cloud.microsoft
– m365.cloud.microsoft
– Copilot button within the Edge browser
– Microsoft Copilot for Microsoft 365 app (app, client app, Win32 app)
– Microsoft Copilot for Microsoft 365 apps

Users may see the error message “Sorry, I wasn’t able to respond to that. Is there something else I can help with”

Current Update: 10/12/2025 09:06:00 AM – Microsoft have identified a recent traffic balancing policy change which caused a dependent portion of service infrastructure to become imbalanced.

Scope of impact: This issue may affect any user within your organization attempting to access Microsoft Copilot.

Our investigation indicates that the following region(s) are impacted by this issue: United Kingdom, Europe. This information may be updated as our investigation continues.

Additionally, users based within other regions whose organization(s) are located in Europe, may also be affected.