The WMI Provider Host program (Wmiprvse.exe) may crash on a Windows Server 2008-based computer that has the NLB feature installed

Article ID: 959493 – Last Review: January 7, 2009 – Revision: 1.1

The WMI Provider Host program (Wmiprvse.exe) may crash on a Windows Server 2008-based computer that has the NLB feature installed

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SYMPTOMS

On a Windows Server 2008-based computer, you use the Windows Network Load Balancing (NLB) Management Pack to monitor NLB clusters. After several days, the WMI Provider Host program (Wmiprvse.exe) may crash.

After the issue occurs, you can just ignore the report about the crash in the WMI host program because the process will restart with the next request by itself. However, this issue may affect other WMI queries running against the system at the same time that the crash happens.

CAUSE

The issue occurs because the NLB WMI provider leaks memory which results in the wmiprsve.exe process crash.

The extent of the memory leak and the frequency of the crash in the process depend on the specific execution of WMI query and the rate of invoking WMI queries to NLB.

RESOLUTION

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 the problem described in this article. 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:

http://support.microsoft.com/contactus/?ws=support (http://support.microsoft.com/contactus/?ws=support)

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.

Important Windows Vista and Windows Server 2008 hotfixes are included in the same packages. However, only one of these products may be listed on the “Hotfix Request” page. To request the hotfix package that applies to both Windows Vista and Windows Server 2008, just select the product that is listed on the page.

Prerequisites

To apply this hotfix, you must have Windows Server 2008 installed. In additional, the NLB feature must be installed on this Windows Server 2008-based computer.

Restart requirement

You have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

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 Vista and Windows Server 2008 file information notes

The .manifest files and the .mum files that are installed in each environment are listed separately in the Additional file information for Windows Server 2008 and for Windows Vista section. These files and their associated .cat (security catalog) files are critical to maintaining the state of the updated component. The .cat files are signed with a Microsoft digital signature. The attributes of these security files are not listed.

For all supported x86-based versions of Windows Server 2008
Collapse this tableExpand this table
File name File version File size Date Time Platform
Nlb-unattend.exe 6.0.6001.22320 37,888 02-Dec-2008 04:36 x86
Nlbcfg.dll 6.0.6001.22320 66,560 02-Dec-2008 04:36 x86
Nlbmigplugin.dll 6.0.6001.22320 135,680 02-Dec-2008 04:36 x86
Nlbmprov.dll 6.0.6001.22320 102,400 02-Dec-2008 04:36 x86
Nlbmprov.mof Not Applicable 8,372 01-Dec-2008 23:52 Not Applicable
Nlbmprovuninstall.mof Not Applicable 138 01-Dec-2008 23:52 Not Applicable
Nlbtrace.mof Not Applicable 2,393 18-Dec-2007 21:11 Not Applicable
Wlbsctrl.dll 6.0.6001.22320 80,384 02-Dec-2008 04:36 x86
Wlbsprov.dll 6.0.6001.22320 147,456 02-Dec-2008 04:36 x86
Wlbsprov.mof Not Applicable 131,044 01-Dec-2008 23:52 Not Applicable
Wlbsprovuninstall.mof Not Applicable 138 01-Dec-2008 23:52 Not Applicable
For all supported x64-based versions of Windows Server 2008
Collapse this tableExpand this table
File name File version File size Date Time Platform
Nlb-unattend.exe 6.0.6001.22320 38,912 02-Dec-2008 05:50 x64
Nlbcfg.dll 6.0.6001.22320 78,848 02-Dec-2008 05:52 x64
Nlbmigplugin.dll 6.0.6001.22320 163,840 02-Dec-2008 05:52 x64
Nlbmprov.dll 6.0.6001.22320 122,368 02-Dec-2008 05:52 x64
Nlbmprov.mof Not Applicable 8,372 02-Dec-2008 00:35 Not Applicable
Nlbmprovuninstall.mof Not Applicable 138 02-Dec-2008 00:35 Not Applicable
Nlbtrace.mof Not Applicable 2,393 18-Dec-2007 21:11 Not Applicable
Wlbsctrl.dll 6.0.6001.22320 93,184 02-Dec-2008 05:52 x64
Wlbsprov.dll 6.0.6001.22320 226,304 02-Dec-2008 05:52 x64
Wlbsprov.mof Not Applicable 131,044 02-Dec-2008 00:35 Not Applicable
Wlbsprovuninstall.mof Not Applicable 138 02-Dec-2008 00:35 Not Applicable
For all supported IA-64-based versions of Windows Server 2008
Collapse this tableExpand this table
File name File version File size Date Time Platform
Nlb-unattend.exe 6.0.6001.22320 81,920 02-Dec-2008 05:36 IA-64
Nlbcfg.dll 6.0.6001.22320 172,544 02-Dec-2008 05:47 IA-64
Nlbmigplugin.dll 6.0.6001.22320 347,136 02-Dec-2008 05:47 IA-64
Nlbmprov.dll 6.0.6001.22320 274,432 02-Dec-2008 05:47 IA-64
Nlbmprov.mof Not Applicable 8,372 02-Dec-2008 00:37 Not Applicable
Nlbmprovuninstall.mof Not Applicable 138 02-Dec-2008 00:37 Not Applicable
Nlbtrace.mof Not Applicable 2,393 18-Dec-2007 21:11 Not Applicable
Wlbsctrl.dll 6.0.6001.22320 204,288 02-Dec-2008 05:51 IA-64
Wlbsprov.dll 6.0.6001.22320 461,824 02-Dec-2008 05:51 IA-64
Wlbsprov.mof Not Applicable 131,044 02-Dec-2008 00:37 Not Applicable
Wlbsprovuninstall.mof Not Applicable 138 02-Dec-2008 00:37 Not Applicable

STATUS

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

REFERENCES

For more information about WMI providers, visit the following Web site:

http://msdn.microsoft.com/en-us/library/aa394570.aspx (http://msdn.microsoft.com/en-us/library/aa394570.aspx)

For more information about management pack files, visit the following Microsoft Web site:

http://technet.microsoft.com/en-us/library/cc468592.aspx (http://technet.microsoft.com/en-us/library/cc468592.aspx)

MORE INFORMATION

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:

824684  (/Feedback.aspx?kbNumber=824684/ ) Description of the standard terminology that is used to describe Microsoft software updates

Additional file information for Windows Server 2008

Additional files for all supported x86-based versions of Windows Server 2008
Collapse this tableExpand this table
File name Package_for_kb959493_sc_0~31bf3856ad364e35~x86~~6.0.2.0.mum
File version Not Applicable
File size 1,423
Date (UTC) 02-Dec-2008
Time (UTC) 19:11
File name Package_for_kb959493_sc~31bf3856ad364e35~x86~~6.0.2.0.mum
File version Not Applicable
File size 1,422
Date (UTC) 02-Dec-2008
Time (UTC) 19:11
File name Package_for_kb959493_server_0~31bf3856ad364e35~x86~~6.0.2.0.mum
File version Not Applicable
File size 1,423
Date (UTC) 02-Dec-2008
Time (UTC) 19:11
File name Package_for_kb959493_server~31bf3856ad364e35~x86~~6.0.2.0.mum
File version Not Applicable
File size 1,430
Date (UTC) 02-Dec-2008
Time (UTC) 19:11
File name X86_e47bfb77aaa7709a3c399c4a2f21237e_31bf3856ad364e35_6.0.6001.22320_none_9c2ea2fa9ec3cb57.manifest
File version Not Applicable
File size 713
Date (UTC) 02-Dec-2008
Time (UTC) 19:11
File name X86_microsoft-windows-n..kloadbalancing-core_31bf3856ad364e35_6.0.6001.22320_none_14ebba8dea6cceb1.manifest
File version Not Applicable
File size 30,460
Date (UTC) 02-Dec-2008
Time (UTC) 05:47
Additional files for all supported IA-64-based versions of Windows Server 2008
Collapse this tableExpand this table
File name Ia64_c0d61afd4b036cf061aa7e4849b33f42_31bf3856ad364e35_6.0.6001.22320_none_12e50a96d0d84e40.manifest
File version Not Applicable
File size 715
Date (UTC) 02-Dec-2008
Time (UTC) 19:11
File name Ia64_microsoft-windows-n..kloadbalancing-core_31bf3856ad364e35_6.0.6001.22320_none_14ed5e83ea6ad7ad.manifest
File version Not Applicable
File size 30,768
Date (UTC) 02-Dec-2008
Time (UTC) 07:13
File name Package_for_kb959493_server_0~31bf3856ad364e35~ia64~~6.0.2.0.mum
File version Not Applicable
File size 1,427
Date (UTC) 02-Dec-2008
Time (UTC) 19:11
File name Package_for_kb959493_server~31bf3856ad364e35~ia64~~6.0.2.0.mum
File version Not Applicable
File size 1,434
Date (UTC) 02-Dec-2008
Time (UTC) 19:11
Additional files for all supported x64-based versions of Windows Server 2008
Collapse this tableExpand this table
File name Amd64_beb7e0760133dc95651ba6c07e4d0f6a_31bf3856ad364e35_6.0.6001.22320_none_7972d973a5cdee9c.manifest
File version Not Applicable
File size 717
Date (UTC) 02-Dec-2008
Time (UTC) 19:11
File name Amd64_microsoft-windows-n..kloadbalancing-core_31bf3856ad364e35_6.0.6001.22320_none_710a5611a2ca3fe7.manifest
File version Not Applicable
File size 30,789
Date (UTC) 02-Dec-2008
Time (UTC) 06:44
File name Package_for_kb959493_sc_0~31bf3856ad364e35~amd64~~6.0.2.0.mum
File version Not Applicable
File size 1,431
Date (UTC) 02-Dec-2008
Time (UTC) 19:11
File name Package_for_kb959493_sc~31bf3856ad364e35~amd64~~6.0.2.0.mum
File version Not Applicable
File size 1,430
Date (UTC) 02-Dec-2008
Time (UTC) 19:11
File name Package_for_kb959493_server_0~31bf3856ad364e35~amd64~~6.0.2.0.mum
File version Not Applicable
File size 1,431
Date (UTC) 02-Dec-2008
Time (UTC) 19:11
File name Package_for_kb959493_server~31bf3856ad364e35~amd64~~6.0.2.0.mum
File version Not Applicable
File size 1,438
Date (UTC) 02-Dec-2008
Time (UTC) 19:11

APPLIES TO
  • Windows Server 2008 Datacenter
  • Windows Server 2008 Enterprise
  • Windows Server 2008 Standard
  • Windows Server 2008 Datacenter without Hyper-V
  • Windows Server 2008 Enterprise without Hyper-V
  • Windows Server 2008 Standard without Hyper-V
  • Windows Server 2008 for Itanium-Based Systems
Keywords: 
kbsurveynew kbautohotfix kbexpertiseadvanced kbfix kbqfe kbhotfixserver KB959493

 

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