Microsoft KB Archive/915044

= How to determine the version of Windows Server 2003 R2 that is running on a computer =

Article ID: 915044

Article Last Modified on 6/19/2006

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APPLIES TO


 * Microsoft Windows Server 2003 R2 Standard Edition (32-bit x86)
 * Microsoft Windows Server 2003 R2 Enterprise Edition (32-Bit x86)
 * Microsoft Windows Server 2003 R2 Datacenter Edition (32-Bit x86)
 * Microsoft Windows Server 2003 R2 Standard x64 Edition
 * Microsoft Windows Server 2003 R2 Enterprise x64 Edition
 * Microsoft Windows Server 2003 R2 Datacenter x64 Edition
 * Microsoft Windows Storage Server 2003 R2

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INTRODUCTION
This article discusses how to determine the version of Microsoft Windows Server 2003 R2 that is running on a computer.



MORE INFORMATION
Microsoft Windows Server 2003 R2 is available in the following versions:
 * Microsoft Windows Server 2003 R2 Datacenter Edition (x64 and x86)
 * Microsoft Windows Server 2003 R2 Enterprise Edition (x64 and x86)
 * Microsoft Windows Server 2003 R2 Standard Edition (x64 and x86)

Microsoft Windows Storage Server 2003 R2 is available in the following versions:
 * Microsoft Windows Storage Server 2003 R2, Enterprise Edition (x64 and x86)
 * Microsoft Windows Storage Server 2003 R2, Express Edition (x64 and x86)
 * Microsoft Windows Storage Server 2003 R2, Standard Edition (x64 and x86)
 * Microsoft Windows Storage Server 2003 R2, Workgroup Edition (x64 and x86)

OEM installations
 Click Start, click Run, type regedit, and then click OK. Locate and then click the following registry subkey:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ServerAppliance\Edition

Note the value in the Data column for the Edition entry. Use the following table to determine the version of Windows Server 2003 R2, according to the value in the Data column. 

Non-OEM installations
 Click Start, click Run, type regedit, and then click OK. Locate and then click the following registry subkey:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion

&quot;Microsoft Windows Server 2003 R2&quot; is listed as the product name if it is installed. To determine the version of Windows Server 2003 R2 that is installed, click the following article number to view the article in the Microsoft Knowledge Base:

152078 Determining the product option of a Windows NT setup

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Technical support for Windows x64 editions
Your hardware manufacturer provides technical support and assistance for Microsoft Windows x64 editions. Your hardware manufacturer provides support because a Windows x64 edition was included with your hardware. Your hardware manufacturer might have customized the Windows x64 edition installation with unique components. Unique components might include specific device drivers or might include optional settings to maximize the performance of the hardware. Microsoft will provide reasonable-effort assistance if you need technical help with your Windows x64 edition. However, you might have to contact your manufacturer directly. Your manufacturer is best qualified to support the software that your manufacturer installed on the hardware.

For product information about Microsoft Windows XP Professional x64 Edition, visit the following Microsoft Web site:

http://www.microsoft.com/windowsxp/64bit/default.mspx

For product information about Microsoft Windows Server 2003 x64 editions, visit the following Microsoft Web site:

http://www.microsoft.com/windowsserver2003/64bit/x64/default.mspx

Additional query words: Winx64 Windowsx64 64bit 64-bit

Keywords: kbhowto kbexpertiseinter KB915044

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