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Erik WhitewayFlag for Canada

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How to rehome mailboxes to exchange 2010 when lost old exchange 2003

We have 3 exchange servers, and our old 2003 server died on the day we were moving the last of the mailboxes.

Using Quest recovery for exchange we have all the mail in PST format for all the users.

We need to just map the 'lost' mailboxes to the 2010 server and then we can restore the mail.

Don't see how to tell exchange to just 'take' the mailbox and make it local.   Options for doing that?
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Akhater
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Get-Mailbox -server 2k3name | Set-Mailbox –Database DBName
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Thanks, I tried it on one mailbox but I get the error:
"You cannot rehome a mailbox into a database that has a different version than the source server"  The old server was exchange 2003 and the new one is 2010.

Is there a way to knock the exchange information out of the user and reset them up on the new server?  Then we could just restore their PST files.
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Akhater
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Don't have that option.  From the EMC/recipient configuration/mailbox if I right click on a user and say remove - after a couple of complaints about the other server not being there it completes but removes the user from active directory too.  We want to keep the users but re-setup their mailboxes.  Is there another way.

Thanks again for all your help with this.
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I never said to delete the user but the mailbox. :) anyway I was talking about deleting it from 2003 side and not 2010

Well done I am happy you sorted it out
Deleting got me close but disabling was the way to go.