Moving mailboxes from 2003 to 2010
We currently are in a SBS 2003 environment and are moving to a standard active directory model away from SBS. I am adding a brand new server and installing Exchange 2010 on a new server. Can I just move the mailboxes from the 2003 server to the 2010 server or do I need to migrate using the coexist methodolgy?
November 10th, 2011 11:52am

yes, its the same forest. I am literally just adding a new 2010 server and removing the 2003 server. I will be transfering the FSMO rolesfrom the SBS server to a new domain server first before I install and add the new 2010 exchange server.
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November 11th, 2011 9:18am

Don't move the FSMO roles, that will upset SBS. You will need to remove them just before you decommission the SBS server, so that will be a long way down the path. Exchange only needs the global catalog function which can be on multiple DCs so if you are building a new domain controller then make it a GC. Otherwise it is a standard migration, nothing special, all of the guides for the process are the same. Simon.Simon Butler, Exchange MVP Blog | Exchange Resources | In the UK? Hire Me.
November 11th, 2011 9:21am

ok, so , to be clear, your saying I shouldn't do the domain server migration before I move to Exchange 2010? I have several articles and processes that show I have to transfer the FSMO roles when moving from the SBS 2003 to Standard 2008R2. I want to make sure I do these in the correct order and verifiy I am ok to move exchange servers before the server migration.
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November 11th, 2011 10:01am

Great, thanks Sembee, this was very helpful.
December 2nd, 2011 7:08am

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