Heap Corruption May Occur When Changing the Private Properties of the SMB

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Article ID: 234537 - View products that this article applies to.
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When you repeatedly change the private properties of the Server Message Block (SMB) share resource (ones that are exposed with "cluster res fileshare /priv"), heap corruption may occur. This may also cause an access violation error message to be displayed.


This corruption occurs because the address passed to ResUtilFreeParamaterBlock is invalid, and this address is eventually passed to LocalFree, causing the access violation.


To resolve this problem, obtain the latest service pack for Windows NT 4.0. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
152734 How to Obtain the Latest Windows NT 4.0 Service Pack
The latest service pack is also available at the following Internet location:


Microsoft has confirmed that this is a problem in Windows NT 4.0. This problem was first corrected in Windows NT 4.0 Service Pack 5.


Article ID: 234537 - Last Review: November 2, 2013 - Revision: 3.0
Applies to
  • Microsoft Windows NT Server 4.0 Standard Edition
  • Microsoft Windows NT Server 4.0 Enterprise Edition
kbnosurvey kbarchive kbhotfixserver kbqfe kbbug kbfix KB234537

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