Moving Mailbox from Exchange 2007 to Exchange 2013 "Mailbox useralias is already being moved to "Exchange 2013 db"

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For our case in Exchange 2013, the error that saying mailbox is already being moved to Exchange 2013 database.


Error " Mailbox useralias is already being moved to "Exchange 2013 db"

Resolution :

1. Goto ADSI Edit and in "Domain Naming Context" find User and then click Properties

and find these Attributes and reset to "Zero", to find Attributes you can check option  "Show only attributes that have values"

1. "msExchMailboxMoveRemoteHostName"
2. "msExchMailboxMoveFlag and "
3. "msExchMailboxMoveStatus"