How to add SBS2003 server as Exchange to domain with existing domain controller

I have a domain with Windows Server 2003 Std running AD and DNS with Terminal Services. I would like to add a SBS 2003 Serverto use as Exchange Server for up to 30 users and prmo it to become Primary DC, then relegate the existing PDC to member server to continue it's job as Terminal Server for Desktop Applications. How can this be done bearing in mind the requirement for SBS to be the PDC once there is already a DC on the network?

I need to know if this can be done whilst the TS is online and operational and that the AD can be migrated to the SBS Server during the process.
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Philip ElderTechnical Architect - HA/Compute/StorageCommented:
You can do phase 1 of the SBS install to get the Win2K3 OS installed. You DCPromo the new SBS box into the existing domain once you added it as a member. You then run Phase 2 of the setup.

Follow this checklist to get everything right the first time for your SBS setup:
motiveitAuthor Commented:
Thanks for your response Phillip. If you build the new server up to Win2K3 OS phase1, how does this replicate the AD from the existing DC?

When this is replicated, how do you then demote the existing DC to become a member server before you complete the SBS build?

Many thanks, Mike
Philip ElderTechnical Architect - HA/Compute/StorageCommented:
The documentation lets you know the complete details.

Suffice it to say things go as so:
 Install SBS Phase 1. Cancel Phase 2 setup after final reboot.
 Add new SBS to existing domain as you would any other new server/workstation.
 DCPromo the SBS box into the existing domain.
 Run Phase 2 and SBS setup will appropriate the FSMO roles etc.
 Once AD, DNS and everything are confirmed good to go on SBS:
  DCPromo existing server to remove AD and DNS. Do not answer yes to the "Final Server" question.


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motiveitAuthor Commented:
Thanks Phillip, will give it a go on a test machine and tell you how we go.
motiveitAuthor Commented:
Sorry guys, another question has come up. The current DC has a domain name of branchname.local and the email domain name is
When we setup the new SBS server with Win2K3 up to phase1, do we set it up with branchname.local as the domain or as the domain?
I am assuming that we join the branchname.local domain and dcpromo the SBS server, then setup the domain name in Exchange as when we do the phase2 build. Is this correct?
Philip ElderTechnical Architect - HA/Compute/StorageCommented:
The Configure E-mail and Internet Connection Wizard is where you set the Internet facing domain for e-mail and Remote Web Workplace access.

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