Microsoft KB Archive/834852

= CSRSS uses all available memory and resources in Windows NT 4.0 =

Article ID: 834852

Article Last Modified on 10/26/2006

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APPLIES TO


 * Microsoft Windows NT 4.0 Service Pack 6a

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SYMPTOMS
After you install the MS02-071 (328310) security update, the Client Server Runtime System (CSRSS) may leak memory and eventually consume all the available memory on a Microsoft Windows NT 4.0 Server-based server.



RESOLUTION
A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that this article describes. Apply it only to systems that are experiencing this specific problem.

To resolve this problem, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:

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

Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question. The English version of this hotfix has the file attributes (or later) 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 --  08-Jan-2004  11:37  4.0.1381.7255     169,744  Gdi32.dll 08-Jan-2004 11:37  4.0.1381.7255     326,928  User32.dll 07-Jan-2004 10:47  4.0.1381.7255   1,255,152  Win32k.sys 20-Jan-2004 16:29  4.0.1381.7260     174,864  Winsrv.dll Note Because of file dependencies, this hotfix requires Microsoft Windows NT 4.0 Service Pack 6a.



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section of this article.



MORE INFORMATION
To check for the memory leak that is described in the &quot;Symptoms&quot; section of this article, use Performance Monitor to monitor Process\Private Bytes for CSRSS.

For additional information about Permormance Monitor, click the following article number to view the article in the Microsoft Knowledge Base:

150934 How to create a Performance Monitor log for NT troubleshooting

For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

For additional information about the MS02-071 security hotfix, click the following article number to view the article in the Microsoft Knowledge Base:

328310 MS02-071: Flaw in Windows WM_TIMER message handling can enable privilege elevation

Keywords: kbhotfixserver kbqfe kbqfe kbfix kbbug KB834852

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