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NT server to 2003 server migration

Posted on 2004-09-30
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Last Modified: 2010-04-19
We have an NT server as the domain controller and have a brand new 2003 server that we want to replace it with.  We want to keep the same domain name.  I have found decent articles on just upgrading the NT server and migrating to a new domain.  Any good articles on replacing the domain controller and keeping the same domain?
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Question by:hindsight
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oBdA earned 500 total points
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Without at least a temporary NT4 DC that you upgrade, it's not possible. If your NT4 DC hardware doesn't allow for W2k3, you have two possibilities:
* Install NT4 as a BDC for your current domain on your new machine; do a full replication. Promote your new BDC to PDC. Shutdown the old PDC (now BDC) as backup. Upgrade your new PDC to W2k3.
* Install a temporary NT4 PDC on desktop hardware, go on as above, promote your W2k3 to DC in your new domain, move the FSMO roles from the upgraded to the new machine, demote the temporary DC.
Just did the former method, and it went as smooth as can be.

Here's more information:

Tools and Documentation for Upgrading to Windows Server 2003
http://www.microsoft.com/windowsserver2003/upgrading/nt4/tooldocs/default.mspx

Background Information for Upgrading to Windows Server 2003 Active Directory
http://www.microsoft.com/resources/documentation/windowsserv/2003/all/deployguide/en-us/dssbe_upnt_huxa.asp

Migrating Windows NT Server 4.0 Domains to Windows Server 2003 Active Directory
http://www.microsoft.com/windowsserver2003/evaluation/whyupgrade/nt4/nt4domtoad.mspx

How To View and Transfer FSMO Roles in Windows Server 2003
http://support.microsoft.com/?kbid=324801

How To Use the Dcpromo.exe Tool to Remove Active Directory in Windows Server 2003
http://support.microsoft.com/?kbid=816108

Of interest if you already have w2k/XP clients:
How to prevent overloading on the first domain controller during domain upgrade
http://support.microsoft.com/?kbid=298713
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