We are currently considering moving one of our DHCP servers to a VM on Hyper-V. I was looking for something else and saw this thread on the TechNet Forums, and I want to keep it for later reference:
http://forums.technet.microsoft.com/en-US/winserverhyperv/thread/8004c699-1a22-4f33-9fcd-7271bfcaf74e
