I setup a new Hyper-V server today and got this error when trying to turn on a virtual machine: <virtual machine name> could not initialize. There is a hotfix from Microsoft (http://support.microsoft.com/kb/2517374/en-us) that you have to download and install.
Snapshots in Hyper-V are awesome. No more reinstalling from scratch to fix a boneheaded error. Take a snapshot before you do something dangerous (like messing with users or network settings). Then, no matter what happens, you can return to the EXACT POINT IN TIME from which you took the snapshot. More information about snapshots from …