Thanks to Mike …  I’ve found an even easier way to do this.  I found a PowerShell Hyper-V script at: http://www.codeplex.com/PSHyperv It has a lot of functions already, and I added a “Kill-VM” function that automates the kill process: Kill-VM <VM name> My modified script is attached to this message. To use it, you need to install PowerShell (Under Server Manager -> [...]

Read the complete post at http://luka.manojlovic.net/2008/07/18/hyper-v-freebsd-shutdown-problem-workaround/