Cardiff University incident

Issues joining calls or meetings in Microsoft Teams application for Mac

Resolved after 3 days, affecting Microsoft Teams, on September 4, 2026.

investigating Sep 04, 2026, 08:53 AM UTC

Microsoft have announced that some users may experience an issue where they are unable to join a call or a meeting when using the Microsoft Teams application on a Mac. It is not currently clear whether Cardiff University is impacted by this, nor whether the issue occurs continuously or intermittently. Microsoft are continuing to investigate, and will provide further updates in due course. In the meantime, if anybody is impacted by this issue then as a workaround Microsoft Teams can be accessed through most modern web browsers and includes the functionality to participate in calls and meetings.

Started
Sep 04, 2026, 08:53 AM UTC
Resolved
Sep 07, 2026, 09:26 AM UTC
Duration
3d
Detected by Pingoru
Sep 04, 2026, 08:53 AM UTC

Affected components

Microsoft Teams

Update timeline

  1. investigating Sep 04, 2026, 08:53 AM UTC

    Microsoft have announced that some users may experience an issue where they are unable to join a call or a meeting when using the Microsoft Teams application on a Mac. It is not currently clear whether Cardiff University is impacted by this, nor whether the issue occurs continuously or intermittently. Microsoft are continuing to investigate, and will provide further updates in due course. In the meantime, if anybody is impacted by this issue then as a workaround Microsoft Teams can be accessed through most modern web browsers and includes the functionality to participate in calls and meetings.

  2. resolved Sep 07, 2026, 09:26 AM UTC

    Microsoft report that they have resolved this issue

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