Tag Archives: MapiExceptionUnexpectedMailboxState

MapiExceptionUnexpectedMailboxState: Unable to delete mailbox

When moving mailboxes from Exchange 2003 or Exchange 2007 to Exchange 2010 the move request finishes, but with a status of CompletedWithWarning:

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The mailbox is moved to Exchange 2010, but the time to finish the actual migration takes a long time. The first reports of this issue I’ve seen came with Exchange 2010 SP2 RU3.

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