Issue Reported: 06/09/2021 01:56:00 AM
Microsoft Reference : TM283251
Issue Status: RESTORED
Issue Description: Users may have intermittently been unable to sign-in, view organization charts, send messages, and view files.
Any cached data may have intermittently been affected, such as user presence and organization charts. Users may have also intermittently been unable to add/remove users to teams and channels and sync OneNote with Teams.
Scope of impact: This issue intermittently affected users attempting to sign-in, view organization charts, send messages, and view files.
Final Update – 06/09/2021 10:22:00 AM: A configuration change for regulating requests inadvertently encountered issues, resulting in impact. Microsoft have finished reverting the configuration change and confirmed via telemetry that service is restored.