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I am planning an upgrade of our Windows network in a few weeks and would like to ask for advice for this process. First Let me describe our current server setup (All servers are 2003 Standard): <br />
1 DC (32-bit)<br />
1 IP/Fax (32-bit)<br />
1 Exchange (64-bit)<br />
1 Terminal (RD) Server (32-bit)<br />
I would really like to do a clean install of 2008 (64-bit) with Hyper-v for our DC but would like to avoid loosing all our DC info. I was thinking of promoting another server to DC until I upgrade then promoting the new 2008 server back to DC after the install. Is that how such an upgrade is usually done? Also, should I do an in-place upgrade of the Exchange box? Recommendations / Suggestions are appreciated regarding the whole process. I'm not really looking for a tutorial, just recommendations based on experience.
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I am planning an upgrade of our Windows network in a few weeks and would like to ask for advice for this process. First Let me describe our current server setup (All servers are 2003 Standard): 
1 DC (32-bit)
1 IP/Fax (32-bit)
1 Exchange (64-bit)
1 Terminal (RD) Server (32-bit)
I would really like to do a clean install of 2008 (64-bit) with Hyper-v for our DC but would like to avoid loosing all our DC info. I was thinking of promoting another server to DC until I upgrade then promoting the new 2008 server back to DC after the install. Is that how such an upgrade is usually done? Also, should I do an in-place upgrade of the Exchange box? Recommendations / Suggestions are appreciated regarding the whole process. I'm not really looking for a tutorial, just recommendations based on experience.

How should I update our Servers from Windows Server Standard 2003 to 2007?

Windows Server 2008 and Windows Server 2008 R2, based on the Microsoft Vista codebase, is the last 32-bit server operating system released by Microsoft. It has a number of versions, including including Foundation, Standard, Enterprise, Datacenter, Web, HPC Server, Itanium and Storage; new features included server core installation and Hyper-V.

Windows Server 2008

Windows Server 2003 was based on Windows XP and was released in four editions: Web, Standard, Enterprise and Datacenter. It also had derivative versions for clusters, storage and Microsoft’s Small Business Server. Important upgrades included integrating Internet Information Services (IIS), improvements to Active Directory (AD) and Group Policy (GP), and the migration to Automated System Recovery (ASR).