Creating and Managing Virtual Servers with Windows 2008 Server & Hyper-V

http://www.petri.co.il/creating-managing-virtual-servers-windows-server-2008-hyperv.htm 
http://4sysops.com/archives/windows-server-2008-r2-server-the-perfect-workstation-os/ 
http://serverfault.com/questions/115726/hyper-v-error-failed-to-create-partition-insufficient-system-resources-exist-t

Windows Server 2008 R2 is a server operating system produced by Microsoft. It was released to manufacturing (RTM) on July 22, 2009^[2] and launched on October 22, 2009.^[3] According to the Windows Server Team blog, the retail availability was September 14, 2009.^[4] It is built on Windows NT 6.1, the same kernel used with the client-oriented Windows 7. It is the first 64-bit-only operating system release from Microsoft. Version enhancements include new functionality for Active Directory, new virtualization and management features, version 7.5 of IIS (the Web server), and support for up to 256^[5] logical processors.
There are seven editions: Foundation, Standard, Enterprise, Datacenter, Web, HPC Server, Itanium and Windows Storage Server 2008 R2 (Essentials Edition).