Just for reference: Numerical Active Directory – Domain and Forest Functional Levels. Domain versioning (and DC) 0 = Mixed mode / Native mode 1 = Windows Server 2003 interim domain mode 2 = Windows Server 2003 3 = Windows Server 2008 4 = Windows Server 2008 R2 Forest versioning 0 = Window 2000 1 = Windows Server 2003 interim forest mode 2 = Windows Server 2003 mode 3 = Windows Server 2008 4 = Windows Server 2008 R2 Share this:TweetEmailPrint 1 Comment Pingback: Domain and forest functionality levels « Web Active Directory Blog Leave a Reply Cancel reply Enter your comment here... Fill in your details below or click an icon to log in: Email (required) (Address never made public) Name (required) Website You are commenting using your WordPress.com account. ( Log Out / Change ) You are commenting using your Google+ account. ( Log Out / Change ) You are commenting using your Twitter account. ( Log Out / Change ) You are commenting using your Facebook account. ( Log Out / Change ) Cancel Connecting to %s Notify me of new comments via email. Notify me of new posts via email. This site uses Akismet to reduce spam. Learn how your comment data is processed. Post navigation Previous Previous post: AD-LDS (ADAM) For Windows 7 is now available (Again).Next Next post: The Microsoft Desktop Optimization Pack (MDOP) is for SA Customers, but…..