User impact: Users’ items in recoverable items weren’t moving to the online archive in Exchange Online.

More info: Items intended to be archived were still available and were archived once the issue was resolved. This issue may have also impacted users’ ability to modify and send meeting invites.

Final status: We’ve completed both the preparation and the deployment of our fix to revert the affecting change and confirmed after testing that the issue was successfully resolved.

Scope of impact: This issue may have affected any users’ items in recoverable items.

Start time: Monday, March 27, 2023, at 5:43 PM UTC

End time: Thursday, April 13, 2023, at 11:10 PM UTC

Root cause: A recent change to the configuration of the dumpster archiving model utilized to automate the move of recoverable items to the online archive introduced an issue resulting in these items not being moved.

Next steps:
– We’re reviewing the affecting change to better understand why it caused impact and prevent similar future occurrences.

This is the final update for the event.