Title: Retention labels were missing from sites and couldn’t be applied by users
User impact: Users were unable to apply retention policy labels within SharePoint Online sites.
Final status: We’ve successfully reverted the update and confirmed that the issue is resolved after a period of monitoring.
Scope of impact: Impact was specific to users who were being serviced through the affected infrastructure.
Start time: Wednesday, January 31, 2024, at 12:00 AM UTC
End time: Monday, February 5, 2024, at 2:55 PM UTC
Root cause: A recent update applied as part of scheduled service maintenance inadvertently contained a code regression.
Next steps:
– We’re reviewing our standard update procedures to prevent this issue from happening again.
This is the final update for the event.