Moving exchange 2010 mailbox back to exchange 2007 server

i have finished testing Exchange RTM 2010 on our virtual test server, and now want to decommission that server so we can do the live install onto a new Server 2008 box. before doing that i need to migrate a few email boxes back from 2010 to 2007.

i see that the GUI wizard in 2010 does not support this, and you’re supposed to use Powershell but struggling to get the right syntax to facilitate this move back to 2007, can someone please assist ?

thanks
Stuart
stufart69Asked:
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stufart69Connect With a Mentor Author Commented:
Got it working, FYI use :

New-MoveRequest -identity username -TargetDatabase "servername\First Storage Group\Mailbox Database"

you just need to have cleared the previous move request status from when you moved the mailbox from 2007 to 2010 the 1st time.
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MegaNuk3Commented:
Can you not do it from the E2k7 EMC?
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Antonio VargasMicrosoft Senior Cloud ConsultantCommented:
You can do it in the Exchange 2007 Management console.
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MegaNuk3Commented:
Move-Mailbox UserName –TargetDatabase “E2K7\First Storage Group\Mailbox Database” –Confirm:$false
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MegaNuk3Commented:
Or all of them:
Get-Mailbox –Database “E2k10\First Storage Group\Mailbox Store (E2k10)” | Move-Mailbox –TargetDatabase “E2K7\First Storage Group\Mailbox Database” –MaxThreads 10
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stufart69Author Commented:
If i try doing it in Exch2007 console i get the following error :

Failed
Error:
Error was found for Stuart McIlwraith (STUARTM@cargocarriers.co.za) because: Error occurred in the step: Opening source mailbox. Failed to open mailbox with error: An unknown error has occurred., error code: -1056749262
Exchange Management Shell command attempted:
'CARGOJHB/Windows7/Users/Stuart McIlwraith' | move-mailbox -BadItemLimit '100000' -TargetDatabase 'SOYUZ\First Storage Group\Mailbox Database' -GlobalCatalog 'ibubesi.cargojhb' -DomainController 'ibubesi.cargojhb'
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MegaNuk3Commented:
Does the account you are using have rights to the mailbox or the mailbox store? a simple test would be to see if it can open that mailbox with an outlook profile
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Antonio VargasMicrosoft Senior Cloud ConsultantCommented:
give you user full mailbox access in the mailbox you are trying to move. go to AD Users and computers, choose advanced settings and go to the user security tab to give the appropriate permissons
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MegaNuk3Commented:
Also make sure of the following:
Unhide from GAL.
Check that user is NOT disabled

Then try the move again
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stufart69Author Commented:
Yes the account does have full access to the mailbox, as far as i can see you cannot use the 2007 GUI or "Move-Mailbox" command to move a mailbox from 2010 back to 2007.

in 2010 they now use New-MoveRequest
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MegaNuk3Commented:
Also make sure this key is not set:
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\MSExchangeIS\ParametersSystem\Disable MAPI Clients
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MegaNuk3Commented:
Thanks for the update and the solution.
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