A rollup is available for Microsoft System Center Virtual Machine Manager 2008 R2 which solves a couple of issues:
Issue 1: A high availability virtual machine with a GPT pass-thru disk is reported is reported as “Unsupported Cluster Configuration.”
Issue 2: When you manage VMware Virtual Center that has distributed switches, the Virtual Machine Manager service (Vmmservice.exe) crashes.
Issue 3: After Quick Storage Migration is completed, the Failover Cluster Management MMC snap-in reports that the VM still uses the old CSV volume.
Issue 4: If a VM is configured with 3 virtual processors, the SCVMM Admin Console crashes.
Issue 5: The settings for the virtual network are incorrect after a Refresh-VMHost cmdlet job is completed.
Additionally an issue with the SCVMM Administrator’s Console is solved:
Issue: If a VM is configured to have 3 virtual processors, the SCVMM Admin Console crashes
KB982522 replaces http://support.microsoft.com/kb/976246 which solved this problem:
“In Microsoft System Center Virtual Machine Manager 2008 R2, you remove a virtual hard disk (VHD) from a virtual machine. You expect that the .vhd file is detached from the virtual machine. However, the .vhd file is actually deleted on the Hyper-V server”