Title: Some Mac OS users may have been unable to join Microsoft Teams meetings via the Outlook desktop application
User impact: Users may have been unable to join Microsoft Teams meetings via the Outlook desktop application.
More info: Affected users were also unable to join Microsoft Teams meetings via Outlook on the web. Impact was specific to some users utilizing the Microsoft Teams Mac OS V2 application.
Final status: We’ve confirmed that the fix has been deployed and after a period of monitoring we’ve confirmed that impact has been remediated.
Scope of impact: Impact was specific to some Mac OS users utilizing the Microsoft Teams Mac OS V2 application who were served through the affected infrastructure.
Start time: Thursday, October 5, 2023, at 12:00 AM UTC
End time: Thursday, November 9, 2023, at 3:06 AM UTC
Root cause: A recent service update, applied to a section of infrastructure responsible for integration between Microsoft Teams and Outlook for Mac OS users, inadvertently contained a change which caused impact.
Next steps:
– We’re reviewing our update procedures to better identify similar issues during our development and testing cycles.
This is the final update for the event.
