Question : Mixed 2003/2008 Environment Needs A Domain Rename

Ok. So my environment needs a domain rename.  In order to facilitate a company rename, and making internal/external DNS match, I'd like to do a domain rename.  I have a rather confusing, and mixed environment.  Please tell me how to do this rename properly, as we have a lot of stuff that can go wrong.  The layout is in the code below. This environment has Server 2003 forest, and domain with server 2003 domain controllers, and server 2008 member servers for exchange 2007.  Thanks

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172.25.0.1 Linux router with shorewall firewall 172.25.0.2 Linux web server with apache 172.25.0.3 Primary Windows Server 2003 domain controller (Also DHCP, DNS, WINS, VPN via PPTP RRAS) 172.25.0.4 Secondary Windows Server 2003 Domain Controller (Also WINS, DNS, Print Server, File Server, Certificate Authority 172.25.0.5 IPStor storage server 172.25.0.6 172.25.0.7 VMWare ESXi Server 172.25.0.60 Windows Server 2008 Member server (not being used yet) Hosted on ESXi 172.25.0.61 Windows 2003 Member Server running SharePoint 3.0 server (Hosted on ESXi) 172.25.0.62 Windows 2008 Member Server (IIS 7, and OWA 2007) Hosted on ESXi 172.25.0.63 Windows 2008 Member Server running Exchange 2007 There are also various clients at different IPs in the 172.25.0.20-172.25.0.69 range.

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Answer : Mixed 2003/2008 Environment Needs A Domain Rename

You can't rename a domain running exchange 2007.

http://support.microsoft.com/kb/925822

http://social.technet.microsoft.com/forums/en-US/exchangesvrgeneral/thread/a1ef8601-86ce-4d9e-9fc2-2e4af5056379