"Stop error code 0x000000C2 (BAD_POOL_CALLER)" error message on a cluster node

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Article ID: 321793 - View products that this article applies to.
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On one node of a Windows 2000 Cluster, you may receive random Stop error messages similar to the following:
*** STOP 0x000000C2 BAD_POOL_CALLER (0x00000007, 0x00000000, 0x00000000, 0x00000000)
In this error message, the parameters after "0x00000007" will vary.


This behavior occurs in a scenario where multiple processors run threads that try to free the same memory location. This behavior occurs because of a problem in the Windows disk caching code.

This problem can occur after you install the update that is described in the following article in the Microsoft Knowledge Base:
317633 A Logical Disk on an Extended Partition Is Recognized as a Primary Partition


To resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
260910 How to Obtain the Latest Windows 2000 Service Pack
The English-language version of this fix should have the following file attributes or later:
   Date         Time   Version         Size       File name
   25-Apr-2002  22:22  5.0.2195.5265      42,256  Basesrv.dll      
   16-Nov-2001  17:23  5.0.2195.4643      34,416  Classpnp.sys
   14-Dec-2001  22:12  5.0.2195.4771      29,968  Disk.sys
   25-Apr-2002  22:22  5.0.2195.4928     708,880  Kernel32.dll     
   29-May-2001  14:47  5.0.2195.3649      29,328  Mountmgr.sys
   13-Apr-2002  22:52  5.0.2195.5575   1,687,296  Ntkrnlmp.exe     
   13-Apr-2002  22:53  5.0.2195.5575   1,687,040  Ntkrnlpa.exe     
   13-Apr-2002  22:53  5.0.2195.5575   1,707,648  Ntkrpamp.exe     
   13-Apr-2002  22:52  5.0.2195.5575   1,665,024  Ntoskrnl.exe   


Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Windows 2000 Service Pack 3.

More information

For additional information about how to obtain a hotfix for Windows 2000 Datacenter Server, click the article number below to view the article in the Microsoft Knowledge Base:
265173 The Datacenter Program and Windows 2000 Datacenter Server Product
For additional information about how to install multiple hotfixes with only one reboot, click the article number below to view the article in the Microsoft Knowledge Base:
296861 Use QChain.exe to Install Multiple Hotfixes with Only One Reboot


Article ID: 321793 - Last Review: May 23, 2014 - Revision: 4.0
Applies to
  • Microsoft Windows 2000 Advanced Server
  • Microsoft Windows 2000 Enterprise Edition
  • Microsoft Windows 2000 Professional Edition
  • Microsoft Windows 2000 Server
  • Microsoft Windows 2000 Standard Edition
kbhotfixserver kbqfe kbbug kberrmsg kbfix kboswin2000fix kbwin2000sp3fix KB321793

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