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Article ID: 817812 - Last Review: January 17, 2015 - Revision: 5.0

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When you view the processor information under System Information on a system with hyperthreading-enabled processors, the distribution of physical and logical processors may be reported incorrectly.

For example, on an IBM eServer x440 system with 16 processors, the number of processors is reported as 4 physical processors with 8 logical processors each. The correct configuration for this system is 16 physical processors with 2 logical processors each.


This problem may occur when you run the IBM eServer x440 system in a 16-way configuration.


Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site: (
Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.
   Date         Time   Version         Size       File name
   21-Apr-2003  22:49  5.2.3790.7      2,157,568  Ntkrnlmp.exe
   21-Apr-2003  22:35  5.2.3790.7      2,062,848  Ntkrnlpa.exe     
   21-Apr-2003  22:35  5.2.3790.7      2,105,344  Ntkrpamp.exe
   21-Apr-2003  22:52  5.2.3790.7      2,148,352  Ntoskrnl.exe     


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

More information

To view your system information in Windows Server 2003, do one of the following:
  • Click Start, point to Programs, point to Accessories, point to System Tools, and then click System Information.

  • Use the Winmsd.exe tool. To do this, click Start, click Run, type winmsd.exe in the Open box, and then click OK.

    The System Information window opens.
The third-party products that are discussed in this article are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.

Applies to
  • Microsoft Windows Server 2003, Datacenter Edition (32-bit x86)
  • Microsoft Windows Server 2003, Datacenter Edition for Itanium-Based Systems
kbnosurvey kbarchive kbAutoHotfix kbhotfixserver kbbug kbfix kbqfe kbwinserv2003presp1fix KB817812
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