Kingpin. You should first deploy your new Active Directory Structure. and
then migrate over recources like computers, users, printers. An migration
with ADMT requires a destionation. This means its not possibel to migrate
computers to no where. What i think you ask here is if you should upgrade
clients to Windows XP before the migration process. By my advice if you
planning do an upgrade then you should do the upgrade when the clients have
been sucessfully migrated. How ever i recommend you to re-install all
computers with Windows XP and then join the new domain as an process in the
migration plan. I post few links below you may can have use of for a
sucessfully deployment. Have a nice day
Migrating from Windows NT Server 4.0 to Windows Server 2003
This session covers migration from Windows NT 4 to Windows Server 2003.
http://www.microsoft.com/technet/community/events/windows2003srv/tnt1-74.mspx
325851 - HOW TO: Set Up ADMT for a Windows NT 4.0-to-Windows Server 2003
Migration
This article describes how to set up the Active Directory Migration Tool
(ADMT) to perform a migration from a Windows NT 4.0-based domain to a
Windows Server 2003-based domain.
http://support.microsoft.com/default.aspx?scid=kb;en-us;325851
326480 - How to Use Active Directory Migration Tool Version 2 to Migrate
from Windows 2000 to Windows Server 2003
This article describes how to set up the Active Directory Migration Tool
(ADMT) to migrate from a Windows 2000-based domain to a Windows Server
2003-based domain.
http://support.microsoft.com/default.aspx?scid=kb;en-us;326480
Upgrading to Windows Server 2003 Active Directory from Windows NT 4.0 and
Windows 2000
In this session, learn how you can upgrade your existing Windows NT 4.0 or
Windows 2000 based directory service to Windows Server 2003.
http://www.microsoft.com/seminar/shared/asp/view.asp?url=/Seminar/en/20030424vcon19/manifest.xml
Migrating from Windows NT Server 4.0 to Windows Server 2003
This session covers migration from Microsoft Windows NT 4 to Windows Server
2003.
http://www.microsoft.com/seminar/shared/asp/view.asp?url=/seminar/en/20030324tnt1-74/manifest.xml
Download the Windows 2000 Active Directory Migration Tool (ADMT)
The Active Directory Migration Tool provides an easy, security-enhanced, and
fast way to migrate to Windows 2000 Active Directory service. As a system
administrator, you can use this tool to diagnose any possible problems
before starting migration operations to Windows 2000 Server Active
Directory.
http://www.microsoft.com/windows2000/downloads/tools/admt/default.asp
Windows 2000 Server: Active Directory Migration Tool Overview
Learn how the Active Directory Migration Tool (ADMT) provides an easy,
secure, and fast way to migrate from Windows NT to the Windows 2000 Server
Active Directory service.
http://www.microsoft.com/technet/prodtechnol/windows2000serv/downloads/admtool.mspx
How to Set Up ADMT for Windows NT 4.0 to Windows 2000 Migration
You can use the Active Directory Migration tool (ADMT) to migrate users,
groups, and computers from one domain to another. This article describes how
to perform a migration from a Microsoft Windows NT 4.0-based domain to a
Windows 2000-based...
http://support.microsoft.com/default.aspx?scid=kb;en-us;260871
Domain Migration Strategies
Explore domain migration strategies for a smooth transition to Microsoft
Windows® 2000.
http://www.microsoft.com/seminar/sh...eminar/en/20000217win2kdomaingp1/manifest.xml
How to Migrate Your Microsoft Windows NT 4.0 Directory Services to Microsoft
Active Directory
This session addresses how to make the best choice for migration, and how to
plan a migration from Microsoft Windows NT® 4.0 directory services to
Microsoft Active Directory®.
http://www.microsoft.com/seminar/sh...eminar/en/20031218tnt1-99/manifest.xml&rate=0
Smoothing the Migration from NT 4.0 to Windows Server 2003
Microsoft continues to invest in tools, training and prescriptive guidance,
so customers are seeing a quick, non-disruptive upgrade to Windows Server
2003.
http://www.microsoft.com/presspass/features/2004/jan04/01-28servermigration.asp
Migrating Accounts from Windows NT 4.0 to 2000: Professor Windows, April
2002
Migrate computer accounts and groups from a Windows NT 4.0 domain(s) to an
Active Directory domain.
http://www.microsoft.com/technet/community/columns/profwin/pw0402.mspx