Microsoft 365 Alert – Service Degradation – Microsoft Teams – Users are unable to install apps created with Microsoft Copilot Studio when using shared deep links in Microsoft Teams – ONGOING

29/01/2026 08:30:00 AM

NHSmail Reference: INC46736524

Microsoft Reference: TM1223984

Issue Status: ONGOING

Issue Description: Users are unable to install apps created with Microsoft Copilot Studio when using shared deep links in Microsoft Teams.

More info: Users may see that the app installed in Microsoft Teams, but the app install fails in the background and an error message is not displayed.

Current Update: 06/02/2026 09:05:00 AM – Microsoft are continuing to address the internal errors that are delaying the deployment of their secondary fix and their remediation of the impact. Once the deployment has been able to be resumed, they will provide an projected timeline for impact being resolved.

Scope of impact: Your organisation is affected by this event, and the issue impacts any user installing apps created with Microsoft Copilot Studio when using shared deep links in Microsoft Teams.

Root cause: A recent Copilot Studio update introduced an issue that is adversely affecting the installation of apps in Microsoft Teams with shared deep links.

Next update by: Friday, February 6, 2026, at 10:00 PM UTC