Data Consistency Score

Microsoft recently announced improvements in mailbox move requests with something call Data Consistency Score. It is meant to prevent you from setting the bad items to a high number like 5000.

Improving Migrations Using Data Consistency Scoring – Microsoft Tech Community – 1105920

I started not to set any bad item limits and let the new feature go to work. After a few batches it all worked and I was impressed. Last night I hit a snag where the move request was stuck and wouldn’t complete. The move request statistics was stuck on Synced.

I was required to check the migration user to find the data consistency was set to Investigate:

I was required to set the migration user in Exchange Online to approve skipped items:

After setting this the mailbox completed the move request successfully.

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