Mailbox migration reports it completed, ecp shows 0 mailboxes have moved and the mailbox does not move

I am migrating 1600 mailboxes from Exchange 2007 to Exchange 2013, over 700 have moved fine, but 1 mailbox fails repeatedly. 

When I run the migration in ecp it says the migration status is complete, but it also says that 0 mailboxes were synced, 0 were finalized and 0 failed. I also receive an email saying it completed successfully. The only thing, apart from the fact it says it worked when it didn't, is that the Total column changes from 1 to 0 while it is in Syncing status.

I'm confused, why is this not working? What do I need to do to fix it?


  • Edited by GADavies Thursday, December 18, 2014 2:19 AM additional information
December 18th, 2014 2:14am

I had this exact same problem.

There were old move requests on the Exchange 2010 server I migrated from to Exchange 2013. Removed the move requests and everything started working.

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August 3rd, 2015 4:50am

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