Title: Users may see delays syncing any change from Microsoft Entra ID to multiple Microsoft 365 services
User impact: Users may have seen delays syncing any change from Microsoft Entra ID to multiple Microsoft 365 services.
More info: Affected services included, but weren’t limited to:
– Microsoft Teams
– Exchange Online
Final status: The backlog of delays has completed draining and resolved impact.
Scope of impact: Impact was specific to some users who are served through the affected infrastructure.
Start time: Tuesday, September 26, 2023, at 1:45 AM UTC
End time: Wednesday, September 27, 2023, at 12:30 AM UTC
Root cause: A recent service update, intended to improve general data integrity, had inadvertently caused synchronization issues between Microsoft Entra ID and multiple Microsoft 365 services.
Next steps:
– We’re investigating further into the recent service update to better understand how it caused synchronization issues so we can prevent and avoid similar issues from occurring in the future.
This is the final update for this event.
