http://blogs.technet.com/b/uspartner_ts2team/archive/2010/10/28/windows-server-2008-r2-amp-windows-7-sp1-release-candidate-has-been-released.aspxRob Waggoner I installed the Beta of SP1 on all of my Hyper-V servers a few months ago and will be upgrading to the RC once I have some time (probably this weekend). The Beta was very stable, I expect the RC to be pretty much ready to go. We areen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)