Hyper-V Program Manager
Just wanted to let everyone know of a fix for Hyper-V that was included in the November 2013 update rollup for Windows Server 2012 R2 (http://support.microsoft.com/kb/2887595).
The fix in question (http://support.microsoft.com/kb/2896800) applies to Hyper-V servers that:
Without this fix Hyper-V will turn off a virtual machine (instead of cleanly shutting it down) when the physical computer is shutdown. With this fix the virtual machine will now be shutdown correctly.