Replacing 2000 Server Domain Controller with Server 2003 DC

A project management plan I am working on for school requires two 2000 Server Domain Controller machines to physically be replaced with new servers running Server 2003. I have found many articles about "upgrading" DC's, but what about "replacing"? I am just a student and have never actually done this before. What are some considerations when performing a task like this? What problems may arise with client connectivity, etc? Does each client need to be re-added to the domain if the domain name stays the same? The new DC will reuse the old server's IP, is this sufficient? What about network shares and applications? Active Directory migration?

Any help would be greatly appreciated!!! =)

I will distribute points based on contribution.
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MotoCrazyAsked:
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LauraEHunterMVPConnect With a Mentor Commented:
Add the 2003 servers to the 2000 domain as member servers.

Follow the steps in http://support.microsoft.com/kb/325379 to run through pre-requisites for the 2003 upgrade.

Run adprep /forestprep and adprep /domainprep from the 2003 media (if R2, use the version of adprep on Disc 2.)

Run dcpromo on the 2003 DCs and add them as additional DCs in the existing domain; configure both as GCs.

Transfer the FSMO roles to the new DCs, update any DHCP scopes to reference the IP addresses of the new DCs (assuming the DCs are being used by your clients for DNS name resolution.)

Demote the 2000 DCs.
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MotoCrazyAuthor Commented:
Thank you both for the replies. Laura, what is a GC (or is that a mistype), and what are FSMO roles? File server...????

Now, what also if one of the servers was hosting network applications? Generally speaking, would re-using the old server IP addresses ensure the client programs would still be able to connect?

Thanks
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LauraEHunterMVPConnect With a Mentor Commented:
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MotoCrazyAuthor Commented:
Thanks for the help you two. Awarded points to both. My project is due next week so wish me luck =).
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Jay_Jay70Commented:
Good luck mate - I am sure we will both be around if you need any help
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