Windows Server® 2008 Standard 32-bit Windows Server® 2008 Enterprise 32-bit Windows Server® 2008 Standard without Hyper-V™ 32-bit Windows Server® 2008 Enterprise without Hyper-V™ 32-bit Windows Server® 2008 Standard Windows Server® 2008 Enterprise Windows Server® 2008 Standard without Hyper-V™ Windows Server® 2008 Enterprise without Hyper-V™ Windows Server® 2003, Standard Edition (R2・SP2を含む) Windows Server® 2003, Enterprise Edition (R2・SP2を含む) Windows Server® 2003, Standard x64 Edition (R2・SP2を含む) Windows Server® 2003, Enterprise x64 Edition (R2・SP2を含む)