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The WMI Performance Adapter process may exhaust all available CPU resources in Windows Server 2003

Support for Windows Server 2003 ended on July 14, 2015

Microsoft ended support for Windows Server 2003 on July 14, 2015. This change has affected your software updates and security options. Learn what this means for you and how to stay protected.

SYMPTOMS
After you install Microsoft iSCSI Software Initiator on a computer that is running Microsoft Windows Server 2003, the WMI Performance Adapter process (Wmiapsrv.exe) may exhaust all available CPU resources. On a single-processor system, CPU utilization may reach 100 percent.
RESOLUTION
To resolve this problem, apply the hotfix that is described in this article. Additionally, you must apply the hotfix that is described in the following Microsoft Knowledge Base article:
915940 When you start MOM 2005 on a Windows Server 2003-based computer, the WMI Performance Adapter process uses all the available memory and CPU resources

Service pack information

To resolve this problem, obtain the latest service pack for Windows Server 2003. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
889100 How to obtain the latest service pack for Windows Server 2003

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.

Prerequisites

To apply this hotfix, you must have Windows Server 2003 Service Pack 1 (SP1) installed. For more information about how to obtain the latest service pack for Windows Server 2003, click the following article number to view the article in the Microsoft Knowledge Base:
889100 How to obtain the latest service pack for Windows Server 2003

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

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 item in Control Panel.
Windows Server 2003, x86-based versions
File nameFile versionFile sizeDateTimePlatformSP requirement
Ntkrnlmp.exe5.2.3790.27992,459,64825-Sep-200611:45Not ApplicableSP1
Ntkrnlpa.exe5.2.3790.27992,271,23225-Sep-200611:22x86SP1
Ntkrpamp.exe5.2.3790.27992,311,68025-Sep-200611:22Not ApplicableSP1
Ntoskrnl.exe5.2.3790.27992,419,71225-Sep-200611:45x86SP1
Windows Server 2003, x64-based versions
File nameFile versionFile sizeDateTimePlatformSP requirement
Ntkrnlmp.exe5.2.3790.27994,627,45625-Sep-200614:07x64SP1
Ntoskrnl.exe5.2.3790.27994,482,04825-Sep-200614:07x64SP1
Windows Server 2003, Itanium-based versions
File nameFile versionFile sizeDateTimePlatform
Ntkrnlmp.exe5.2.3790.27996,518,78425-Sep-200614:07IA-64
STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. This problem was first corrected in Windows Server 2003 Service Pack 2.
Properties

Article ID: 924979 - Last Review: 10/08/2011 23:59:00 - Revision: 3.0

Microsoft Windows Server 2003, Standard Edition (32-bit x86), Microsoft Windows Server 2003, Enterprise Edition (32-bit x86), Microsoft Windows Server 2003, Web Edition, Microsoft Windows Server 2003, Datacenter Edition (32-bit x86), Microsoft Windows Server 2003, Standard x64 Edition, Microsoft Windows Server 2003, Enterprise x64 Edition, Microsoft Windows Server 2003, Datacenter x64 Edition, Microsoft Windows Server 2003, Enterprise Edition for Itanium-based Systems, Microsoft Windows Server 2003, Datacenter Edition for Itanium-Based Systems

  • kbautohotfix kbwinserv2003sp2fix kbwinserv2003presp2fix kbexpertiseinter kbbug kbfix kbqfe KB924979
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