http://blogs.msdn.com/bobkjelgaard/archive/2007/12/13/kmdf-1-7-and-the-server-2008-vista-sp1-rc1-wdk.aspxWell, the best news of all for most WDF users is that the coinstallers in this WDK work on all supported platforms (with caveats I'm about to mention because we missed the deadlines for making them "offishul" [in the release notes])... I've been promisingen-USCommunityServer 2.1 SP1 (Build: 61025.2)