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NT Domain to AD Migration

Posted on 2003-10-31
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Last Modified: 2010-08-05
Ok I am going to be migrating my NT Domain to AD on Server 2003. I would like to do a clean install to a new Server as apposed to an in place upgrade. The issue, maybe, is that I don't want to change the Domain name. Let me give the scenario:

Original  NT domain named ABC in one City with BDC in a separate city connected via a high speed link. I want to name the new AD FQDN "ABC.LOC" which won't be an issue.

When I setup AD with the first server will it show up as ABC in the Domain list, under NT, and cause confusion since NT doesn't see the ABC.LOC name just ABC.

Do I have to add the new server a BDC and the promote it ? That does not seem like a clean install to me?

Will there be two ABC domains from the view of an NT server and will it cause confusion on my Network.

Does the migration tool resolve this issue and how? Do I have to name my new Domain something unique ?

Please let me know any further clarifactions you need to answer this question..

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Question by:bwalan
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Netman66 earned 250 total points
ID: 9661725
With Windows 2003 you have the luxury of renaming your Domain after it's created.

My advice would be to name it ABCD.LOC.
Create a trust to the NT Domain.
Use ADMT v2.0 to migrate your users.

Once you get the new server up and running disconnect the PDC from the network.

Rename the domain to what you want using the Domain Renaming Tool.

You then must rebuild the BDC in the remote location and join the "new" domain as a DC.


The only issue here is that you will "cut loose" the BDC since the original domain and domain SID are no longer available.

If that's not an option then an upgrade to the PDC is the only route to begin.

Hope that helps.
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