A new System log entry is not generated if the desktop heap is exhausted in Microsoft Windows 2000 (810807)


The information in this article applies to:

  • Microsoft Windows 2000 Server
  • Microsoft Windows 2000 Professional
  • Microsoft Windows 2000 Advanced Server
Important This article contains information about how to modify the registry. Make sure to back up the registry before you modify it. Make sure that you know how to restore the registry if a problem occurs. For more information about how to back up, restore, and modify the registry, click the following article number to view the article in the Microsoft Knowledge Base:

256986 Description of the Microsoft Windows registry

SYMPTOMS

Consider the following scenario. If the desktop heap cannot be allocated, new System log reports about the current exhaustion of the desktop heap in Microsoft Windows 2000 are not created. Therefore, you cannot detect the shortage of the desktop heap on a Windows 2000-based computer.

RESOLUTION

Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall your operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.

Hotfix information

A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Windows 2000 service pack that contains this hotfix.

To resolve this problem immediately, 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.

Prerequisites

You must install Windows 2000 Service Pack 3 (SP3) before you apply this hotfix.

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 tool in Control Panel.
   Date 	Time   Version        Size       File name
   ----------------------------------------------------------
   24-Mar-2004  02:17  5.0.2195.6824     42,256  Basesrv.dll 
   21-Sep-2003  00:45  5.0.2195.6824    236,304  Cmd.exe 
   19-Jun-2003  20:05  5.0.2195.6660    233,744  Gdi32.dll 
   24-Mar-2004  02:17  5.0.2195.6897    742,160  Kernel32.dll 
   24-Mar-2004  02:17  5.0.2195.6824     54,544  Mpr.dll 
   06-Oct-2004  06:25  5.0.2195.6974    335,120  Msgina.dll 
   24-Mar-2004  02:17  5.0.2195.6892     90,264  Rdpwd.sys
   05-Oct-2004  15:46  5.0.2195.6981  5,901,824  Sp3res.dll 
   24-Mar-2004  02:17  5.0.2195.6897    403,216  User32.dll 
   05-Aug-2003  22:14  5.0.2195.6794    385,808  Userenv.dll 
   05-Oct-2004  15:55  5.0.2195.6983  1,632,848  Win32k.sys
   11-Mar-2004  02:37  5.0.2195.6898    181,520  Winlogon.exe 
   25-Sep-2003  18:08  5.0.2195.6826    243,984  Winsrv.dll 
   24-Mar-2004  02:17  5.0.2195.6897    742,160  Kernel32.dll 
   05-Oct-2004  15:55  5.0.2195.6983  1,632,848  Win32k.sys
   25-Sep-2003  18:08  5.0.2195.6826    243,984  Winsrv.dll


To resolve this problem, you must modify the following registry keys after you apply this hotfix:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows
Value name: DesktopHeapLogging
Value data: 1
Type: REG_DWORD

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Eventlog\System\Win32k
Value name: EventMessageFile
Value data: %SystemRoot%\system32\win32k.sys;%SystemRoot%\system32\sp3res.dll
Type: REG_EXPAND_SZ

STATUS

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

MORE INFORMATION

After you apply this hotfix, the following event is written to the System log in Event Viewer if the desktop heap becomes full:Event Type: Warning
Event Source: Win32k
Event Category: None
Event ID: 243
Date: date
Time: time
User: N/A
Computer: server name
Description:
A desktop heap allocation failed. Note The event log is written only one time during a session.

For more information about how hotfix packages are named, click the following article number to view the article in the Microsoft Knowledge Base:

816915 New file naming schema for Microsoft Windows software update packages

For more information about the standard terminology that is used to describe Microsoft software updates, 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

Modification Type:MinorLast Reviewed:7/26/2006
Keywords:kbHotfixServer kbQFE kbBug kbfix kbQFE kbWin2000preSP5fix kbpubtypekc KB810807 kbAudITPRO
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