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windows server 2000 to windows server 2003 migration

Posted on 2006-07-11
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iI am working with a pretty small client 20 people.  If I  am migrating windows server 2000 to server 2003 (New machine) should I just recreate active directory on the new machine and install it or use a migration tool. One person said I should set the new machine up on the domain and then promote it later to domain controller.   I ahve never done this before.  What do you guys recomend?


Wes
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Question by:hmcnasty
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Lee W, MVP earned 500 total points
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The best thing to do is add the new machine as a Domain Controller to the existing domain OR upgrade the existing server.  Migrations, in my opinion, are only for large organizations that obtain smaller organizations and need to integrate them.

Before you go through with EITHER, you should setup a small test network and run through this a couple of times so you KNOW what you are doing.
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by:Lee W, MVP
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Here are some links that should get you going for upgrading a 2000 domain to 2003:

Common Mistakes When Upgrading a Windows 2000 Domain To a Windows 2003 Domain
http://support.microsoft.com/default.aspx?scid=kb;en-us;555040

Hotfixes to install before you run adprep /Forestprep on a Windows 2000 domain controller to prepare the Forest and domains for the addition of Windows Server 2003-based domain controllers
http://support.microsoft.com/?kbid=331161

Commodore.ca | Windows | How To Upgrade Windows 2000 Domain to Windows 2003 Server
Quote from the top of this article: "Several glossy Microsoft presenters have stated that all you need to do to complete a Windows 2003 Domain upgrade is run ADPREP and then upgrade away.  This may work for very small / simple environments but it is definitely not good advice for most companies.  After upgrading five servers in two unrelated domains and installing many fresh copies of 2003 I can say that I personally would not skip a single step in the process I have developed below."
http://www.commodore.ca/windows/windows_2003_upgrade.htm

How can I transfer some or all of the FSMO Roles from one DC to another?
http://www.petri.co.il/transferring_fsmo_roles.htm

How To Create or Move a Global Catalog in Windows 2000
http://support.microsoft.com/?kbid=313994

[If you run Exchange 2000] Windows Server 2003 adprep /forestprep Command Causes Mangled Attributes in Windows 2000 Forests That Contain Exchange 2000 Servers
http://support.microsoft.com/default.aspx?kbid=314649

Windows Server 2003 Upgrade Assistance Center
http://www.microsoft.com/windowsserver2003/upgrading/nt4/upgradeassistance/default.mspx

[If using R2 release of Windows 2003] Extending Your Active Directory Schema for New Features in Windows Server 2003 R2
http://www.microsoft.com/downloads/details.aspx?familyid=5B73CF03-84DD-480F-98F9-526EC09E9BA8&displaylang=en

How to move a DHCP database from a computer that is running Windows NT Server 4.0, Windows 2000, or Windows Server 2003 to a computer that is running Windows Server 2003
http://support.microsoft.com/?id=325473

How can I move a DHCP database from one server to another?
http://www.windowsitpro.com/Article/ArticleID/13473/13473.html

How can I move DNS from one Windows 2000 Server to another Windows 2000 Server?
(Two Related if going 2000 to 2003 - read both before moving)
http://www.jsifaq.com/subG/TIP3300/rh3357.htm
http://www.jsifaq.com/SUBN/tip6700/rh6731.htm
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by:hmcnasty
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Thank you very much!!
 I should be ok it's my first time doing this though.

Wes
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by:hmcnasty
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One more quick thing...

The server 2000 machine is a domain controller. If I add the new machine as a domain controller at the same time will that mess things up?

wes
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by:Lee W, MVP
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Read the links I provided.  You need to update the Active Directory Schema and exactly how much you update depends on what version of 2003.  And there are other issues to be aware of that the links describe - including potential issues with Exchange and how to move DNS.

I'm telling you - don't be foolish - TEST THIS FIRST - when you get familiar with the process and what happens, you'll be able to do the production environment with confidence and efficiently.

When you do the production migration, keep checking your event logs to ensure everything is going well.
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by:hmcnasty
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ok cool

Thanks again
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