Title: Some users may be unable to access the new Microsoft Teams desktop client on Windows or Mac
User impact: Users may have been unable to access the new Microsoft Teams desktop client on Windows or Mac.
More info: While we were focused on remediation, users may have still used the Microsoft Teams classic desktop client to retain access to service functionality. Additionally, clearing the cache or restarting the new Microsoft Teams desktop client would mitigate this issue.
Final status: We’ve completed deployment of the fix throughout all affected environments, and we’ve verified with affected users that this action has successfully resolved the problem.
Scope of impact: This issue may have impacted a small subset of users who tried to access the new Microsoft Teams desktop client on Windows or Mac.
Start time: Friday, February 9, 2024, at 8:42 PM UTC
End time: Tuesday, March 12, 2024, at 9:36 PM UTC
Root cause: An incompatible cache value from a previous Microsoft Teams installation was copying to the new build version of Microsoft Teams, resulting in impact.
Next steps:
– We’re investigating why an incompatible cache value from a previous Microsoft Teams installation was copying to the new build version of Microsoft Teams to help us develop measures to avoid similar impact in the future.
This is the final update for the event.
