Access violations when you use the /PAE switch in Windows 2000

This article has been archived. It is offered "as is" and will no longer be updated.
Symptoms
When you start a Microsoft Windows 2000-based server in physical address extension (PAE) mode by adding the /PAE switch to the Windows 2000 Boot.ini file, this may generate several access violations in PAE-capable programs that use memory space in the extended memory region.
Cause
This problem may occur if memory addresses in the extended memory region contain corrupted data, and then PAE-capable programs access this data.

You may be experiencing this problem if you notice that random memory locations have been changed to all zeros in the user-dump file that comes from the program that generates the access violation.
Resolution

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, submit a request to Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site: Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

You must have Windows 2000 Service Pack 4 (SP4) or later installed to apply this hotfix. 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

Restart requirement

You must restart your 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) 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   -----------------------------------------------------------   10-Feb-2004  19:47  5.0.2195.6897      30,160  Mountmgr.sys   05-Apr-2004  20:39  5.0.2195.6921   1,700,608  Ntkrnlpa.exe        05-Apr-2004  20:39  5.0.2195.6921   1,722,176  Ntkrpamp.exe
For additional information about a similar PAE-related hotfix, click the following article number to view the article in the Microsoft Knowledge Base:
885272 You receive a "Stop 0x0000001a" Stop error message on your Windows 2000 Server-based computer that has Physical Address Extensions (PAE) enabled
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
More information
For additional information about this hotfix, click the following article number to view the article in the Microsoft Knowledge Base:
885272 You receive a "Stop 0x0000001a" Stop error message on your Windows 2000 Server-based computer that has Physical Address Extensions (PAE) enabled
For additional 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 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
Win2k Win2000
Properties

Article ID: 838647 - Last Review: 11/02/2013 07:14:00 - Revision: 5.0

Microsoft Windows 2000 Server, Microsoft Windows 2000 Advanced Server

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