Microsoft Windows Server 2008 R2 Standard SP1 OEM (Old Packaging) Full OEM Version of Windows Server 2008 R2 Standard Edition Includes Hyper-V 2.0, Internet Information Server 7.5, Remote Desktop Services, and Dynamic Memory Solid foundation for supporting Microsoft Server applications Includes one single OEM Server License and Media Server 2008 Standard requires CALS. 5 User CALs are included with this product