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LSA Memory Leak Due to SetPassword Call

The information in this article applies to:
  • Microsoft Windows versions 2000, 2000 SP1 Advanced Server
  • Microsoft Windows versions 2000, 2000 SP1 Server
  • Microsoft Windows versions 2000, 2000 SP1 Professional


When you use the System Monitor tool, you may notice memory leaks in the Local Security Authority (LSA) during a Kerberos change-password request or when LSA loads a security package. You may need to restart the computer to restore performance and to shrink Lsass.exe.


A supported fix is now available from Microsoft, but it is only intended to correct the problem described in this article and should be applied only to systems experiencing this specific problem. This fix may receive additional testing at a later time, to further ensure product quality. Therefore, if you are not severely affected by this problem, Microsoft recommends that you wait for the next Windows 2000 service pack that contains this fix.

To resolve this problem immediately, download the fix as instructed below or contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information on support costs, please go to the following address on the World Wide Web:
NOTE: In special cases, charges that are normally incurred for support calls may be canceled, if a Microsoft Support Professional determines that a specific update will resolve your problem. Normal support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

The following file is available for download from the Microsoft Download Center:
US English:
[GRAPHIC: Download]Download Q288861_w2k_sp2_x86_en.exe now

[GRAPHIC: Download]Download Q288861_w2k_sp2_x86_fr.exe now

[GRAPHIC: Download]Download Q288861_w2k_sp2_x86_de.exe now

[GRAPHIC: Download]Download Q288861_w2k_sp2_x86_it.exe now

[GRAPHIC: Download]Download Q288861_w2k_sp2_x86_ja.exe now

[GRAPHIC: Download]Download Q288861_w2k_sp2_x86_es.exe now
For additional information about how to download Microsoft Support files, click the article number below to view the article in the Microsoft Knowledge Base:
Q119591 How to Obtain Microsoft Support Files from Online Services
Microsoft used the most current virus detection software available on the date of posting to scan this file for viruses. Once posted, the file is housed on secure servers that prevent any unauthorized changes to the file.

The English-language version of this fix should have the following file attributes or later:
   Date        Time    Version        Size     File name
   02/12/2001  07:23p  5.0.2195.2842  130,320  Adsldpc.dll
   02/12/2001  07:23p  5.0.2195.2867  360,208  Advapi32.dll
   02/12/2001  07:23p  5.0.2195.2785  133,904  Dnsapi.dll
   02/12/2001  07:23p  5.0.2195.2778   90,896  Dnsrslvr.dll
   02/12/2001  07:22p  5.0.2195.2867  521,488  Instlsa5.dll
   02/12/2001  07:23p  5.0.2195.2862  140,560  Kdcsvc.dll
   01/29/2001  09:19p  5.0.2195.2862  198,928  Kerberos.dll
   01/26/2001  10:15p  5.0.2195.2862   69,456  Ksecdd.sys
   02/12/2001  07:23p  5.0.2195.2867  503,568  Lsasrv.dll
   01/30/2001  09:04p  5.0.2195.2867   33,552  Lsass.exe
   01/29/2001  09:19p  5.0.2195.2862  108,816  Msv1_0.dll
   02/12/2001  07:23p  5.0.2195.2808  311,056  Netapi32.dll
   02/12/2001  07:23p  5.0.2195.2865  366,352  Netlogon.dll
   02/12/2001  07:23p  5.0.2195.2864  910,608  Ntdsa.dll
   02/12/2001  07:23p  5.0.2195.2864  362,256  Samsrv.dll
   02/12/2001  07:23p  5.0.2195.2797  128,272  Wldap32.dll 


Microsoft has confirmed this to be a problem in the Microsoft products listed at the beginning of this article.


For additional information about how to install Windows 2000 and Windows 2000 hotfixes at the same time, click the article number below to view the article in the Microsoft Knowledge Base:

Q249149 Installing Microsoft Windows 2000 and Windows 2000 Hotfixes

Additional query words: q287607

Keywords : kbenv w2000kerb kbWin2000PreSP2Fix
Issue type : kbbug
Technology : kbwin2000AdvServ kbwin2000AdvServSearch kbwin2000S kbwin2000Ssearch kbwin2000Search kbwin2000ProSearch kbwin2000Pro

Last Reviewed: February 28, 2001
© 2001 Microsoft Corporation. All rights reserved. Terms of Use.

Article ID: Q288861

Last Reviewed:
February 28, 2001

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