A tool to migrate user accounts from Windows 2003 to 2008

5 pts.
Tags:
Active Directory migration
Windows Server 2003
Windows Server 2003 Domain Controller
Windows Server 2003 to Windows Server 2008 Upgrade
Windows Server 2003 Upgrade
We want to upgrade from Windows 2003 to Windows 2008. Currently we have one Domain Controller. Is there a tool available to migrate user accounts and groups from Windows 2003 to Windows 2008 Domain Controller. I tried LIDIFDE command but it didn't work and seemed overly complicated. Thank You.

Software/Hardware used:
Windows 2003 Windows 2008

Answer Wiki

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Hi,

Without knowing your real scenario and all its capabilities, my advice is:

Join the W2k8 server to the existent W2k3 domain. You’ll need to extend the existent AD schema to support w2k8 servers. Please run:
(put the w2k8 DVD in the w2k3 DC, change to ADPREP folder and run)
<pre>
adprep /forestprep
adprep /domainprep
adprep /gpprep
</pre>
Only after these step you’ll be able to join w2k8 to the domain.

After joined the domain, run DCPROMO to promot this new server to a new domain controller on an existing domain.

Once Active Directory is installed then you’ll need to make the new machine a Global Catalog server.
For this, go to Administrative Tools, Active Directory Sites and Services, Expand, Sites, Default first site and Servers. Right click on the new server, select properties and put a check in the ”Global Catalog” checkbox. (Global catalog is essential for logon as it needs to be queried to establish Universal Group Membership)

If you want to transfer the FSMO roles to this new server, like if you want to completely disable/replace the old server, please follow this guide.

HTH

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  • Ingram87
    Yes, that is the only way to do it. Join the new 2008 server to the existing domain. There is no tool that I'm aware of that let's you export and import users and groups from active directory.
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  • saturno
    As a side note, you *can* use LDIFDE or ADSIEDIT to import / export Active Directory users. You can get more info on how to do it around the web. You can start here. The "problem" (although it could be not a problem) is that using this approach you just export / import users. If you intention is to upgrade your domain (including functional level), my suggestion above is the way you might want to try. If you want to recreate your domain from scratch exporting and than importing user account can give you a shortcut. Please post back if you need any further info.
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  • blazes0ldja
    Hey guys,


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  • blazes0ldja
    Guys, i copied the content to local disk on Domain Controller (2003) and ranadprep32 /forestprepCForest-wide information has already been updated[Status/Consequence\Adprep did not attempt to rerun this operation.Actually, i tried to migrate our DC to Window server 2008 by following procedure: http://computech.in/2011/08/step-by-step-guide-to-migrate-and-move-roles-from-server-2003-domain-to-server-2008-r2-domain/ which didn't quite went well so i deleted the existing domain controller/active directory from window server 2008 and etc. Now i rebuild the server with scratch and would like to redo adprep. Unfortunately,  i cant re-run adprep..(NOTE: IT RAN SUCCESSFULLY BEFORE WHEN I WAS MIGRATING TO WIN2K8-) 
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