Microsoft KB Archive/900623

= You may receive a &quot;STOP 0x000000C2 BAD_POOL_CALLER&quot; error message when you use ATM network services in Windows 2000 =

Article ID: 900623

Article Last Modified on 10/26/2006

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APPLIES TO


 * Microsoft Windows 2000 Advanced Server
 * Microsoft Windows 2000 Server
 * Microsoft Windows 2000 Professional Edition

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SYMPTOMS
in Microsoft Windows 2000, you may receive an error message that is similar to the following when you use asynchronous transfer mode (ATM) network services:

STOP 0x000000C2 BAD_POOL_CALLER (0x00000007, 00000b8a, 8479ae80, 8479ae88)

In this error message, the parameters after &quot;0x00000007&quot; vary.



CAUSE
This problem occurs because of a race condition that occurs in the ATM local area network (LAN) emulation device driver (Atmlane.sys).



Hotfix information
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.

Prerequisites
This hotfix does not require any prerequisites.

Restart requirement
You have to 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 12-Jul-2005 03:23  5.0.2195.7059   48,656  Atmlane.sys 25-Feb-2005 05:13  6.1.22.4       371,936  Updspapi.dll



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



MORE INFORMATION
For more information about how software update 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 terminology that is used in this article, 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

Keywords: kbbug kbfix kbwin2000presp5fix kbpubtypekc kbhotfixserver kbqfe KB900623

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