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Adding new 2003 Server to our network

Posted on 2004-10-08
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Last Modified: 2010-04-19
Currently we have one DC running Windows Server 2000.  We have just bought a new machine that we want to add to our network.  We have 2003 Server on this machine and it is a much more robust machine so we want it to handle all of our DNS, DHCP, AD, and what not.  What is the best process for migrating our AD users and computers, DHCP settings, etc. over to the new machine (we only have about 20 users so I could just recreate their accounts again but I know there is a migration tool)...what do you suggest we do.

I also want to (I think) use the 2000 server as a DC but I am a little confused about dcpromo.  If I have AD running on the 2003 Server and run dcpromo on the 2000 server what exactly does that do?  Does it replicate the AD users and computers for both servers?  If so then should I just run dcpromo on the 2003 Server and setup DHCP, DNS on it and disable DHCP, DNS on the 2000 server or what?

Thanks for your help!
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Question by:r270ba
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Sembee earned 2000 total points
ID: 12262213
It is a fairly simple process.
Build the new server as normal and add it to the existing domain. At this point it is a member server. Install any optional components that you may need - such as DNS, DHCP etc but don't configure them just yet.

Then run the forestprep and domainprep tools from the Windows CD to update your existing domain from a Windows 2000 AD to a Windows 2003 mixed AD. Allow at least 30 minutes between each stage before you go on to the next.

Finally, run DCPROMO to create a new domain controller in the existing domain. This will take around 30 minutes to complete while it migrates all the data from the old server.
Once complete, the DNS should already be configured. If not then you need to do so.
Similarly configure DHCP, remembering to point the clients at the IP address of the new server.

Leave both servers running at least overnight.
When you are ready, run DCPROMO on the old machine and follow the prompts. This turns the old machine in to a member server of the existing domain. I would advise you do this one evening after most people have gone home (it doesn't take long) as the client machines can get upset if you change the DC they are connected to.
If you are shutting the old machine down, or planning to wipe it, then drop it in to a workgroup to remove it from the domain correctly before doing so.

Simon.
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by:Sembee
ID: 12262229
I knew I would forget something... take a look at this article for a complete step by step...

http://www.petri.co.il/windows_2003_adprep.htm

Simon.
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