A process that runs in the Physical Address Extension (PAE) kernel may experience memory corruption in Windows Server 2003

Symptoms

In Microsoft Windows Server 2003, any user mode process, kernel mode component, or driver that runs in the Physical Address Extension (PAE) kernel may experience memory corruption. Therefore, the computer may unpredictably stop responding.

Resolution

Service pack information

To resolve this problem, obtain the latest service pack for Microsoft Windows Server 2003. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

889100 How to obtain the latest service pack for Windows Server 2003

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. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

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, contact 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:

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

To apply this hotfix, Windows Server 2003 must be running in the PAE kernel.

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.

Windows Server 2003
   Date         Time   Version       Size       File name
---------------------------------------------------------
05-May-2005 02:54 5.2.3790.325 2,408,960 Ntkrnlmp.exe
05-May-2005 02:24 5.2.3790.325 2,065,920 Ntkrnlpa.exe
05-May-2005 02:24 5.2.3790.325 2,110,976 Ntkrpamp.exe
05-May-2005 02:47 5.2.3790.325 2,208,768 Ntoskrnl.exe
Windows Server 2003, x86 editions

File name

File version

File size

Date

Time

Platform

Service branch

Windowsserver2003-kb895575-v4-x86-symbols-enu.exe

4.0.0.0

3,162,352

13-May-2005

23:09

x86

Not Applicable

Ntkrnlmp.exe

5.2.3790.325

2,408,960

05-May-2005

02:54

Not Applicable

RTMQFE

Ntkrnlpa.exe

5.2.3790.325

2,065,920

05-May-2005

02:24

x86

RTMQFE

Ntkrpamp.exe

5.2.3790.325

2,110,976

05-May-2005

02:24

Not Applicable

RTMQFE

Ntoskrnl.exe

5.2.3790.325

2,208,768

05-May-2005

02:47

x86

RTMQFE

Srv.sys

5.2.3790.324

355,840

04-May-2005

00:47

x86

RTMQFE

Windows Server 2003, IA-64 editions

File name

File version

File size

Date

Time

Platform

Service branch

Windowsserver2003-kb895575-v4-ia64-symbols-enu.exe

4.0.0.0

1,413,360

13-May-2005

23:09

x86

Not Applicable

Ntkrnlmp.exe

5.2.3790.325

5,609,984

05-May-2005

23:13

IA-64

RTMQFE

Srv.sys

5.2.3790.324

994,304

04-May-2005

22:40

IA-64

RTMQFE

Workaround

To work around this problem on a computer that is running a PAE kernel, add the /NOPAE switch to the Boot.ini file. To work around this problem on a computer that is running a PAE kernel with data execution prevention (DEP), add the following switch to the Boot.ini file:

/NOPAE /NOEXECUTE=alwaysoffWhen you add the /NOPAE switch to the Boot.ini file, the computer cannot use all available memory.

Status

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

More Information

This problem also occurs in Microsoft Windows 2000 and in Microsoft Windows XP when the operating system runs in the PAE kernel.For more information about how to resolve this problem in Windows 2000, click the following article number to view the article in the Microsoft Knowledge Base:

838647 Access violations when you use the /PAE switch in Windows 2000

To resolve this problem in Microsoft Windows XP, upgrade the computer to Windows XP with Service Pack 2.For more information about how to obtain Windows XP Service Pack 2, click the following article number to view the article in the Microsoft Knowledge Base:

322389 How to obtain the latest Windows XP service pack

For more information about Windows XP Service Pack 2, click the following article number to view the article in the Microsoft Knowledge Base:

835935 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

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