Microsoft KB Archive/939268

= A Windows Server 2003 Service Pack 1 or Service Pack 2-based computer seems to stop responding when the Lsass.exe process consumes lots of memory and uses 100% of the CPU =

Article ID: 939268

Article Last Modified on 11/7/2007

-

APPLIES TO


 * Microsoft Windows Server 2003, Standard Edition (32-bit x86)
 * Microsoft Windows Server 2003, Enterprise Edition (32-bit x86)
 * Microsoft Windows Server 2003, Web Edition
 * Microsoft Windows Server 2003, Datacenter Edition (32-bit x86)
 * Microsoft Windows Server 2003, Datacenter x64 Edition
 * Microsoft Windows Server 2003, Enterprise x64 Edition
 * Microsoft Windows Server 2003, Standard x64 Edition

-



SYMPTOMS
A Windows Server 2003 Service Pack 1 (SP1) or SP2-based computer seems to stop responding when the following conditions are true for the Lsass.exe process:
 * The process stops responding.
 * The process consumes lots of memory.
 * The process uses 100% of the CPU.

However, the computer responds to Internet Control Message Protocol (ICMP) ping requests.



CAUSE
This problem occurs because of a code defect in the NTLM authentication package.



Hotfix information
A supported hotfix is now 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 Windows Server 2003 service pack that contains this hotfix.

To resolve this problem, submit a request to Microsoft Online Customer Services to obtain the hotfix. To submit an online request to obtain the hotfix, visit the following Microsoft Web site:

http://go.microsoft.com/?linkid=6294451

Note If additional issues occur or 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. To create a separate service request, visit the following Microsoft Web site:

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

Prerequisites
To apply this hotfix, you must have Windows Server 2003 Service Pack 1 or Service Pack 2 installed on the computer.

Restart requirement
You must restart the computer after you apply this hotfix.

Hotfix replacement information
This hotfix replaces hotfix 917257.

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 item in Control Panel.

Windows Server 2003 with Service Pack 2, x64-based versions


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 a Windows Server 2003 Service Pack 1-based computer that seems to stop responding when the Lsass.exe process undergoes high memory and high CPU usage, click the following article number to view the article in the Microsoft Knowledge Base:

917257 A Windows Server 2003 Service Pack 1-based computer seems to stop responding when the Lsass.exe process undergoes high memory and high CPU usage

For more 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



Call stack information
When this problem occurs, you may see call stack information that resembles the following. 0: kd> kb ChildEBP RetAddr Args to Child 0252f330 7c807095 76cb04e0 0252f37c 00631ce0 msv1_0!SspSplayCompare+0x14 0252f348 7c806e89 0252f37c 0252f364 0252f3b8 ntdll!FindNodeOrParent+0x1b 0252f35c 76c94c36 76cb04e0 0252f37c 0000003e ntdll!RtlInsertElementGenericTable+0x15 0252f3d0 76c94ab9 00a5e570 01615488 6b637453 msv1_0!SspInsertChallenge+0x146 0252fa78 76c92d9f 00000000 0252fc6c 00000003 msv1_0!SsprHandleChallengeMessage+0x166a 0252fc88 742c9649 00000000 01615488 0252fe6c msv1_0!SpInitLsaModeContext+0x235 0252fd00 742c9472 01eb84f0 01eb84f8 0252fe6c LSASRV!WLsaInitContext+0x12b 0252fe84 742c3b02 01eb84c8 0069dd38 01705fd0 LSASRV!LpcInitContext+0x165 0252fe9c 742c3a05 01eb84c8 74373738 01ecbb28 LSASRV!DispatchAPI+0x46 0252ff54 742c3035 01eb84c8 0252ff9c 77e68cbd LSASRV!LpcHandler+0x1fe 0252ff78 7431114a 0061c510 00000000 00000000 LSASRV!SpmPoolThreadBase+0xb9 0252ffb8 77e6608b 00665e70 00000000 00000000 LSASRV!LsapThreadBase+0x57 0252ffec 00000000 742e7414 00665e70 00000000 kernel32!BaseThreadStart+0x34

Additional query words: ntlm lsass.exe hang

Keywords: kbexpertiseinter kbfix kbpubtypekc kbqfe kbhotfixserver KB939268

-

[mailto:TECHNET@MICROSOFT.COM Send feedback to Microsoft]

© Microsoft Corporation. All rights reserved.