Microsoft Teams | Microsoft Teams for business | Calendar | Manage calendars
Organizing, editing, and coordinating meetings and events within Microsoft Teams calendars
Whats the latest update for this outage?
Error Code = Unknown Error Message = Unknown Troubleshooting link = https://learn.microsoft.com/en-us/microsoftteams/troubleshoot/exchange-integration/teams-exchange-interaction-issue
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Lucas Hajek
0
Reputation points
Error Code = Unknown Error Message = Unknown Troubleshooting link = https://learn.microsoft.com/en-us/microsoftteams/troubleshoot/exchange-integration/teams-exchange-interaction-issue
For some reason my calendar does not work
Microsoft Teams | Microsoft Teams for business | Calendar | Manage calendars
2 answers
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Tony Knight, Incident Manager, Macro Helix 0 Reputation points2026-11-12T21:22:48.2466667+00:00 -
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Kai-L 21,435 Reputation points Microsoft External Staff Moderator2026-11-12T19:03:34.77+00:00 Dear Lucas,
I would like to let you know that there is an ongoing service incident, "Users may be unable to connect to multiple Microsoft 365 services" (issue ID: MO1550821), which matches what you are reporting. The developer team is aware of this issue and is actively working on a resolution to roll out a fix as soon as possible. For further details, please review this incident report in the Service health menu in Microsoft 365 admin center. If you are the end-user, please contact your organization's IT administrator or help desk. They can verify the status of the service incident for your tenant and submit a technical support ticket to Microsoft to prioritize a fix. If you don't know who your IT administrator is, please refer to this article: How do I find my Microsoft 365 admin? - Microsoft Support
If you have any additional questions or further information to share, please don’t hesitate to let me know. Thank you for your patience and understanding. Wishing you all the best.