Title: Admins may be unable to access the Exchange admin center
User impact: Admins may have been unable to access the Exchange admin center.
Final status: We’ve confirmed with reporting users and though monitoring service telemetry that reverting the offending update has successfully remediated impact.
Scope of impact: Any admins attempting to access the Exchange admin center may have been impacted.
Start time: Tuesday, January 16, 2024, at 10:30 AM UTC
End time: Tuesday, January 16, 2024, at 4:10 PM UTC
Root cause: A recent scheduled update intended to perform standard service maintenance unexpectedly caused an error that prevented admins from being able to access the Exchange admin center (EAC).
Next steps:
– We’re reviewing the impacting update to determine what caused this issue to occur, which will allow us to improve our change management processes and prevent similar instances of impact from occurring in the future.
This is the final update for the event.
