Move mailbox requests in exchange 2010 and corrupted items

I'm trying to move a bunch of mailboxes from one database to another. I wanted to know if its possible to have more than 2 running at once? or is that a limit of exchange 2010? I am trying to speed up the process of moving a bunch of mailboxes at once and wanted to know if its possible to get more than 2 started simultaneously, and if so, how i can do this?

Also, i notice a few of my mailboxes have corrupted items. Is there a way to determine which messages were actually corrupted in the mailbox? This way i can pull them up and determine whether or not they were important without having to go through all my e-mails?
checkmofoshodunoAsked:
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MegaNuk3Connect With a Mentor Commented:
You can have 100 concurrent moves at a time, but I would think that you would have a significant performance impact with that setting:
http://technet.microsoft.com/en-us/library/ff963524.aspx
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MegaNuk3Commented:
You can make it move 5 at a time if you want:
http://blogs.technet.com/b/nawar/archive/2010/10/06/slow-mailbox-move-with-exchange-2010-sp1.aspx

Network bandwidth may be a factor at some point.
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MegaNuk3Commented:
How do you know they have corrupted items? Has a move failed for them already?
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MegaNuk3Commented:
When your moves are complete and you are just left with the "corrupt" mailboxes on the source DB you can take down the DB and run isinteg -fix -test alltests on it to fix any logical corruptions, you should then be able to move all those mailboxes without having to worry about corrupt items anymore.
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MegaNuk3Commented:
Apparently the move report should give you more detail:

$MoveReport = (Get-MailboxStatistics –Identity ‘Redmond, Tony’ –IncludeMoveReport).MoveHistory

But whether that will show which items are corrupt, I don't know...

That EMS command is from here:
http://thoughtsofanidlemind.wordpress.com/2010/09/13/exchange2010-move-history/
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