http://blogs.technet.com/b/seanearp/archive/2010/07/21/sld-disjoint-and-discontiguous-namespaces-oh-my.aspxIf your domain is setup as a Single Label Domain or with a Disjoint/Discontiguous namespace, head on over to the DNS Namespace Planning Solution Center .  This Solution Center outlines Microsoft’s support policy for customers with various namespaceen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)