Fix for accidentally deleting a VHD with Virtual Machine Manager 2008 R2

Thanks to a tweet from @MSManageability, I finally know how to prevent losing a VHD with VMM2008 R2. If you choose to delete a VHD from an existing VM it actually deletes it.

J. C Hornbeck pointed me to a hotfix (KB976246) which addresses this problem.

See his blog:
http://blogs.technet.com/scvmm/archive/2009/11/16/kb976246-removing-a-vhd-from-a-virtual-machine-in-vmm-2008-r2-deletes-the-file-on-the-hyper-v-server-without-warning.aspx

When I looked for a download the KB article led me to Windows Update. It appeared the hotfix had already been installed during the last update.

With the hotfix in place VMM now asks: