Exchange 2007 to Exchange 2013 Failed Mailbox Migrations

We are migrating mailboxes from Exchange 2007 to Exchange 2013 and we have had few failed migrations though and when I try to migrate the mailboxes again It says
“MigrationUserAlreadyBeingMovedException:  already has a pending MoveRequest. Please remove the existing request and resume the current batch or start a new batch for this user

What is the best course of action?

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Amit KumarCommented:
Get-MoveRequest -resultsize "unlimited" | select * | export-csv c:\request.csv

please verify pending queues from above command and see why these are pending.

or you can run below command to remove all pending move requests.

Get-MoveRequest -resultsize "unlimited" | Remove-MoveRequest

Then try

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