Microsoft 365 Alert : Service Degradation – Microsoft Teams – Some users’ Microsoft Teams desktop client is intermittently crashing at launch – RESOLVED

02/08/2022 08:43:00 AM (BST)

Issue Reported : 26/07/2022 12:23:00 AM UTC

Microsoft Reference : TM408416

NHSmail Reference : INC30870826  

Issue Status : RESOLVED

Issue Description : Users’ Microsoft Teams desktop client is intermittently crashing at launch.

More info : Users may have success accessing Microsoft Teams desktop client after retrying multiple times.

Scope of impact : Your organization is affected by this event, and some users attempting to access Microsoft Teams desktop client may be impacted.

Final Update : 11/08/2022 10:18:00 AM – Microsoft confirmed that the deployment has completed and this issue is resolved after monitoring telemetry.

Root cause : A recent update that was intended to optimize audio format collection introduced a code issue that caused the Microsoft Teams desktop client to intermittently crash at launch.

Next steps : Microsoft are reviewing their validation and update procedures to detect and prevent issues like this prior to deployment in the future.

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