Got Microsoft Windows Server 2012 Datacenter x64 2 Processor Box running in production for a small set of roles and features. Works great, super fast, easy to deploy, and all around good server OS. Also have several instances running on VM's for testing purposes, love the addition of Docker and Nano Server. This is the first microsoft Server with built in interface. Allows administrations together for better and more secure aggregation. Scalable virtual system for virtual network to extend to your desires. amazing