Update for Windows Vista (KB949587)
Install this update to enable remote management of a Windows Server 2008 computer running the Hyper-V RC1 role.
Update for Windows Server 2008 x64 Edition (KB950049)
The Release Candidate 1 (RC1) update to the Hyper-V role provides improvements to security, stability, performance, user experience, forward compatibility of configurations, and the programming model.
Update for Windows Vista for x64-based Systems (KB949587)
Install this update to enable remote management of a Windows Server 2008 computer running the Hyper-V RC1 role.