Verdict-Microsoft's Hyper-V is a solid virtualisation platform that's compatible with a wide range of modern server hardware... Read Full Review.
Pros-Easy to install 
Compatible with a huge range of servers and I/O adapter cards
A simple option for organisations wanting to test server virtualisation
Cons-VMs could be affected by software problems with the host Windows server
All VMs must be temporarily halted if host server needs a reboot following patching
Need to buy extra software to manage Hyper-V server farms
Requires a 64-bit Intel VT- or AMD-V-compatible CPU