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W2k AD upgrade to W2k3 AD involving Exchange 5.5 on W2k

Medium Priority
Last Modified: 2010-05-18
Have a Windows 2000 AD Setup on one server and windows 2000 server with Exchange 5.5.  need to upgrade Windows 2000 to 2003 AD, which i am able to take care of with a swing migration.  Should i migrate the 5.5 to Exchange 2003 first than swing the AD over to 2003 or move the AD to 2003 than after that prep the Exchange 5.5 to go to another server with E2k3.  I was going to jsut move the mailboxes from 5.5 to 2003.  Once AD is on 2003 and Exchange is 2003 the following week we move e2k3 to e2k7, that should be fun..
Any info would be great

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This article seems resonable as well.


You can introduce a 2003 server as a DC into your domain, then add another with Exchange 2003 to move the mailboxes from 5.5 to.  The rest should be fairly straightforward.

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