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Microsoft Teams desktop client on Windows launch delay disruption

Service Disruption
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Last updated
Happening score
H score 0
1 unique sources, 1 articles

Summary

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Microsoft Teams on Windows is experiencing a known launch disruption that can prevent some users from loading the desktop client or delay startup by up to two minutes. The issue is tracked as TM1466820 and is under active investigation. Microsoft is reviewing service logs and telemetry while working on remediation. Affected users are being advised to use Teams on the web or the mobile app as a workaround.

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Timeline

  1. 04.09.2026 17:30 2 articles · 14h ago

    Microsoft Teams desktop client on Windows launch delay disruption

    Initial Disclosure

    At the start of the disruption, Microsoft identified TM1466820 and confirmed that some Windows users could not load Microsoft Teams or faced startup delays. The immediate workaround was to use Teams on the web or the mobile app.

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  2. 03.09.2026 23:45 2 articles · 1d ago

    Microsoft acknowledges Teams desktop client load delays on Windows

    Initial Disclosure

    Microsoft acknowledged TM1466820, a known issue affecting Microsoft Teams desktop client access on Windows systems, where some users may be unable to load the client or may experience startup delays of up to two minutes. Microsoft advised affected users to use Teams on the web or the Teams mobile app while it analyzes service logs and telemetry and works on remediation.

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