Microsoft KB Archive/305489

= Access Violation Error Message in LSASS Because of Heap Overrun in Net API =

Article ID: 305489

Article Last Modified on 1/31/2007

-

APPLIES TO


 * Microsoft Windows 2000 Service Pack 1
 * Microsoft Windows 2000 Service Pack 2
 * Microsoft Windows 2000 Advanced Server
 * Microsoft Windows 2000 Advanced Server
 * Microsoft Windows 2000 Service Pack 1
 * Microsoft Windows 2000 Service Pack 2

-



This article was previously published under Q305489



SYMPTOMS
You may receive an access violation error message in LSASS at random locations, and a memory dump may indicate heap problems. When you run LSASS with PageHeap you may see that a thread that is calling Net API from RASSFM overwrites its memory area.



CAUSE
The calculation for the memory area is done incorrectly, and in rare occasions, causes an overwrite.



RESOLUTION
To resolve this problem, obtain the latest service pack for Windows 2000. 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

The English version of this fix should have the following file attributes or later:

  Date          Time    Version        Size     File name --  Aug 16, 2001  05:25   5.0.2195.4153  306.448  Netapi32.dll



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Windows 2000 Service Pack 3.



MORE INFORMATION
For additional information about how to obtain a hotfix for Windows 2000 Datacenter Server, click the article number below to view the article in the Microsoft Knowledge Base:

265173 The Datacenter Program and Windows 2000 Datacenter Server Product

For additional information about how to install multiple hotfixes with only one reboot, click the article number below to view the article in the Microsoft Knowledge Base:

296861 Use QChain.exe to Install Multiple Hotfixes with One Reboot

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:

249149 Installing Microsoft Windows 2000 and Windows 2000 Hotfixes

Additional query words: kbNetworking

Keywords: kberrmsg kbbug kbfix kbwin2000presp3fix kbqfe kbwin2000sp3fix kbenv kbnetwork kbhotfixserver KB305489

-

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

© Microsoft Corporation. All rights reserved.