DESC: Windows Server 2008 R2 Datacenter delivers an enterprise-class platform for deploying business-critical applications and large-scale virtualization on small and large servers. Improve availability, enhance power management, and integrate solutions for mobile and branch workers. Reduce infrastructure costs by consolidating applications with unlimited virtualization licensing rights. Scale from two to 64 processors. Windows Server R2 2008 Datacenter provides a foundation on which to build enterprise-class virtualization and scale-up solutions.Hyper-V Windows Server Hyper-V, the next-generation hypervisor-based server virtualization technology, allows you to make the best use of your server hardware investments by consolidating multiple server roles as separate virtual machines (VMs) running on a single physical machine. With Hyper-V you can also efficiently run multiple different operating systems—Windows, Linux, and others—in parallel, on a single server, and fully leverage the power of x64 computing.