• S = Server / Standard Edition
• EE = Enterprise Edition
• SBS = Small Business Server
• WEB = Web Edition
• CCS = Compute Cluster Server
• DC = Datacenter (Non-High Availability)
• EMB = Windows Server 2003 R2 for Embedded Systems
• ACA = Academic Edition

• Microsoft Windows Server 2003 operating system supports dual-core processors from Intel and AMD on ProLiant server platforms that offer dual-core processors. For more information on Microsoft licensing for multicore processor licensing, review the following websites:
  
  http://www.microsoft.com/licensing/highlights/multicore.mspx and http://download.microsoft.com/download/f/1/e/f1ecd771-cf97-4d98-9a1b-b86e3f24e08f/multicore_hyperthread_brief.doc

• Includes support for the two most recent Microsoft Service Packs.
  Language and server support varies by country and by region

• Windows Catalog doesn't list Windows NT 4.0 results since the OS is being retired

(1) Except with HP 6 Port SATA RAID Controller with Windows Server 2003, Enterprise x64 Edition and Windows Server 2003, Standard x64 Edition

(2) It is recommended that installation of Windows Server 2003, Enterprise Edition or Windows Server 2003, Standard Edition include Service Pack 1 as ''slipstreamed'' media. Please see Customer Advisory c00658857 and Customer Advisory #EM050425_CW01.

(3) Intel^® Xeon^® 6500 and Xeon^® 7500 series processors only.

(4) Intel^® Xeon^® 7500 series processors only.

(5) AMD Opteron™ 6100 series processors only.

* Microsoft does not deliver a Web Edition for Windows Server 2003 R2

For further information about HP ProLiant platforms and Windows Server 2003 support review our HP and MS WS 2003 FAQ.

Windows Server Catalog
For further information regarding the Windows OS Certification provided by Microsoft, please visit: http://www.windowsservercatalog.com/