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SBS 2008 migration - forgot to uninstall Exchange 2003 before demotion

I screwed up.  Did a migration from SBS 2003 to SBS 2008 on my home network this weekend and all went well - I thought.  I'm trying to install a Blackberry Enterprise Server and it puts in the name of my old Exchange Server when doing the MAPI setup.  While troubleshooting that problem I discovered that the reason it's doing that is because I forgot to uninstall Exchange 2003 on the SBS 2003 box before demoting and removing it from the network (shouldn't try and finish up late night).  As a result, there are still references to it in AD on the SBS 2008 box.  Any suggestions for removing those references?  

1 Solution
You will have to hack it out by hand from the domain.
There is no single article about how to do that. However these two KB articles should give you most of the information that you need:

Be careful not to remove everything, you just want to remove references to the server that you have removed.

Another option would be to build a standard Windows 2003 server in a VM with the same name as the original. Reset the computer account in the domain and then add the new machine to the domain. Then do a DR install of Exchange 2003. When complete, remove Exchange correctly using add/remove programs.

Depends on how confident you feel with adsitedit.msc.

chippvksAuthor Commented:
Thanks for the help.  Glad I did this on my network rather than a client's.  I don't think the articles will do much good since I am trying to remove the references to Exchange 2003 on the SBS 2008 server.  You've confirmed what I thought though - that it will involve some hacking.

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