Microsoft Exchange Svr, OLP C level, License & Software Assurance, 1 server license, EN. License type: Open, License quantity: 1 user(s). Minimum processor: Intel Xeon, Intel EM64T, AMD64, Compatible operating systems: Microsoft Windows Server 2003 x64, Windows Server 2003 R2 x64 Standard / Enterprise Edition, Minimum hard disk space: 1224 MB. Language version: ENG