
If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix. This hotfix might receive additional testing. Apply this hotfix only to systems that are experiencing the problem described in this article.

However, this hotfix is intended to correct only the problem that is described in this article. General information about the Winmgmt serviceĪ supported hotfix is available from Microsoft.

For more information about the Winmgmt service, go to the following Microsoft website:

Note The Winmgmt service is the Windows Management Instrumentation (WMI) service within the Svchost.exe process that is running under the LocalSystem account. This issue occurs because a handle leak occurs in the Winmgmt service after you install Windows Management Framework 3.0 on the computer. Note For more information about update 2506143, click the following article number to view the article in the Microsoft Knowledge Base:Ģ506143 Description of Windows Management Framework 3.0 for Windows 7 SP1 and Windows Server 2008 R2 SP1 For more information about update 2506146, click the following article number to view the article in the Microsoft Knowledge Base:Ģ506146 Description of Windows Management Framework 3.0 for Windows Server 2008 SP2 Cause In this situation, after the computer runs for a while, you experience high memory usage by the Svchost.exe process.

You install Windows Management Framework 3.0 by installing update 2506143 or update 2506146 on the computer. Less SymptomsĪssume that you have a computer that is running Windows 7 Service Pack 1 (SP1), Windows Server 2008 R2 SP1, or Windows Server 2008 Service Pack 2 (SP2). Windows 7 Service Pack 1 Windows 7 Enterprise Windows 7 Home Basic Windows 7 Home Premium Windows 7 Professional Windows 7 Starter Windows 7 Ultimate Windows Server 2008 R2 Service Pack 1 Windows Server 2008 R2 Enterprise Windows Server 2008 R2 Datacenter Windows Server 2008 R2 Foundation Windows Server 2008 R2 Standard Windows Server 2008 R2 Web Edition Windows Server 2008 Service Pack 2 Windows Server 2008 Enterprise Windows Server 2008 Foundation Windows Server 2008 Standard Windows Server 2008 Datacenter More.
