Microsoft's official enterprise support blog for AD DS and more
KB
972878
The "Guaranteed service type" Group Policy setting returns to the default value after you restart a client computer that is running Windows XP or Windows Server 2003
973779
Some QoS Group Policy settings are not retained after you restart a client computer that is running Windows Vista or Windows Server 2008
974277
User profiles cannot be deleted after you configure the "Site to Zone Assignment List" policy by using a non-US domain on a computer that has Internet Explorer 8 installed
974877
Description of Remote Server Administration Tools for Windows 7
Blogs
Designing and Implementing a PKI: Part I Design and Planning
Debug 101: !poolused
DirectAccess Design Guide is now available
Exploring WMI with PowerShell V2
AD Admin Center
Adventures of Exchange 2010 and AdminSDHolder