I am migrating a set of mailboxes from Exchange 2003 to Exchange 2010. All of the mailboxes transferred fine except for one. It completes with errors. The error given by EMC is:
Warning: Failed to cleanup the source mailbox after the move.
Error details: MapiExceptionNotFound: Unable to delete mailbox. (hr=0x8004010f, ec=-2147221233)
When I try to use exmerge to just create a PST backup of the mailbox, it also fails with the message:
[14:59:54] Error opening message store (MSEMS). Verify that the Microsoft Exchange Information Store service is running and that you have the correct permissions to log on. (0x8004011d)
[14:59:54] Errors encountered. Copy process aborted for mailbox 'User One' ('USER1').
I am working from the Domain Administrator account and it has the correct privileges - as I said, all other mailboxes transferred fine.
So, my guess is that there is something wrong specifically with this mailbox. How do I find/fix this?