Users may be unable to view previously deleted teams after restoration in Microsoft Teams

Timeline

Every update Microsoft posted for this issue, newest first.

1. Nov 10, 2026, 06:29 CET

   The rollout of our fix is ongoing and will be completed in stages. Early deployment has been completed and we're seeing improvements in system health, but more time will be required to complete the full rollout and monitor for confirmation of impact resolution.

2. Nov 10, 2026, 01:35 CET

   We're continuing our fix deployment and expect the process to finish in a few hours.

3. Nov 9, 2026, 22:11 CET

   We're monitoring our fix deployment as it saturates throughout the affected environment, and we expect this process to complete by Tuesday, November 10, 2026, at 12:00 AM UTC. Once fully saturated, we'll validate whether impact is resolved or if any additional mitigative actions may be required to do so.

4. Nov 9, 2026, 20:09 CET

   We’ve completed the development of our fix and have initiated its deployment. We’re working to establish an accurate timeline for deployment completion and impact remediation to provide with our next scheduled communication update.

5. Nov 9, 2026, 18:20 CET

   We’ve identified a recent change introduced a regression that resulted in restored teams remaining invisible due to a code check missing the “restored” tag, resulting in impact. We’re developing a fix to correct this issue and working to establish a timeline for the fix deployment.

6. Nov 9, 2026, 17:15 CET

   We’re reviewing screenshots of impact and client logs captured from an affected user to assist our investigation into the source of the issue. In parallel, we’ve successfully reproduced impact in our internal testing environment and are reviewing this reproduction to further assist our root cause efforts.

7. Nov 9, 2026, 16:58 CET

   We're investigating a potential issue with Microsoft Teams and checking for impact to your organization. We'll provide an update within 30 minutes.