Thanks for your posting here.
In-Place Upgrade is the most easy way to upgrade NT domain to Windows 2000
domain. All the domain information including user name, password will be
kept after upgrade. It will not affect the clients in the domain.
I have included some documents for your reference:
Upgrading from Windows NT Server 4.0 to Windows Server 2003
Windows NT Server 4.0 Upgrade Guide
326209 HOW TO: Upgrade a Windows NT 4.0-Based PDC to a Windows Server 2003
Windows NT to Windows Server 2003 Upgrade Homepage
As for the questions related to Exchange server and SQL server migration, I
would like to suggest that you submit a new post in the following news
I believe that you will get more specific and detailed suggestions there.
Thank you again for using our newsgroup!
Microsoft Online Partner Support
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From: XXXX@XXXXX.COM (fshguo)
Subject: NT 4 domain to Win2K mixed mode
Date: 26 Nov 2004 12:45:18 -0800
Hi, we have NT4 single domain with one PDC and one BDC, I am planing
to migrate to Win2K domain mix mode.
First of all, could I simply turn off the BDC as a backup, and migrate
the PDC server directly to Win2K new domain? how will effect the login
id, domain and password afterwards? Do I need to go to each individual
NT4 workstations to modify their domain information, would the local
profile remain the same for the user?
At this stage, would I assume that I do not need to do anything on the
Exchange 5.5, Terminal server 4 and SQL7 machines? We are not planning
to migrate them at the moment yet.
Thanks in advance,