Microsoft 365 Alert : Service degradation – OneDrive for Business – Users may have been unable to sign in to OneDrive for Business desktop App on Windows – RESOLVED

13/06/2022 08:27:00 AM (BST)

Microsoft Reference : OD391150  

NHSmail Reference : INC29548417 

Issue Status : RESOLVED

Issue Description : Users may have been unable to sign in to OneDrive for Business desktop App on Windows.

Scope of impact : Your organization was affected by this event and any of your users may have been impacted if they were routed through the affected infrastructure.

Final Update : 13/06/2022 08:27:00 AM – Microsoft have disabled the feature and confirmed via telemetry that impact has been remediated.

Root cause : A recent feature update intended to enhance the service authentication system unexpectedly resulted in impact.

Next steps : Microsoft are reviewing their update procedures to better identify similar issues during the development and testing cycles.

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