Microsoft 365 Alert – Service Degradation – Microsoft Copilot (Microsoft 365) – Users may be unable to access suggested agents from the Microsoft Copilot (Microsoft 365) Agent Store page – RESOLVED

Announcements Sourav Nandi

13/11/2025 09:10:00 AM

NHSmail Reference: INC46681151

Microsoft Reference: CP1185345

Issue Status: RESOLVED

Issue Description: Users may be unable to access suggested agents from the Microsoft Copilot (Microsoft 365) Agent Store page.

More info: Users may be unable to access suggested agents from the Copilot Agent Store page.

Final Update: 13/11/2025 09:10:00 AM – Microsoft have completed deploying the additional fix and monitored their internal telemetry to confirm that access to the service is restored and the impact is remediated.

Scope of impact: Any user that attempted to view suggested agents from the Copilot Agent Store page was impacted.

Root cause: A recent service update to a portion of the Copilot infrastructure introduced a code regression into the Copilot app catalog and resulted in impact

Next steps: Microsoft are further reviewing the recent service update to the portion of the Copilot infrastructure to understand what specifically caused the code regression to be introduced, and to prevent similar impact scenarios from reoccurring in future updates.