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« Norwegian-localized version of Eventcreate doesn't like the "/D" switch...? | Main | Windows 2008 and RODC Requirements »

(Up to) Five-Step Process to Upgrade W2003 Domain to W2008 Domain

Playing around today with converting a W2008 server to a W2008 Domain Controller, I found the (up to) five step process for upgrading your W2003 domain to a W2008 domain. I say up to five steps because you likely have already done at least one of these steps.

The complete process to prep AD for a W2008 DC is as follows...

1. Ensure your domain (and forest) is at the W2003 Native functional level
2. From a command prompt, navigate to the W2008 CD in the sources\adprep folder. The first command is to upgrade the forest with adprep /forestprep. This task takes the longest to complete.
3. Next, enter adprep /domainprep. This and all the following steps happen almost immediately.
4. Then, enter adprep /domainprep /gpprep. This step updates permissions on Group Policy objects in ADDS and SYSVOL. This step must be run on the Infrastructure Master.
5. Finally, if you plan to use Read-Only Domain Controllers, enter adprep /rodcprep.

Voila! You're ready for your first W2008 DC.

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Posted by Greg Shields on August 7, 2007 12:30 AM |

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Greg Shields' Bio:

Greg Shields, is an independent author, instructor, and IT consultant based in Denver, Colorado, and a co-founder of Concentrated Technology. With nearly 15 years of experience in information technology, Greg has developed extensive experience in systems administration, engineering, and architecture specializing in Microsoft systems management, remote application, and virtualization technologies. Greg is a Contributing Editor for Redmond Magazine, MCPmag.com, and Virtualization Review Magazine and is the author of five books, including Windows Server 2008:  What’s New / What’s Changed. Greg is also a highly sought-after instructor and speaker, speaking regularly at conferences like TechMentor Events, and producing computer-based training curriculum for CBT Nuggets.  Greg is a recipient of Microsoft "Most Valuable Professional" award with a specialization in Windows Terminal Services.