Article ID: 241751 - View products that this article applies to.
This article was previously published under Q241751
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Microsoft Message Queue (MSMQ) applications that make more than one call to AttachCurrentSecurityContext will leak memory bytes on each subsequent call.
During the handling of the AttachCurrentSecurityContext, old security handles were not freed when the MSMQ runtime overrode an existing security handle. Each override acquired additional memory from private bytes resulting in a memory leak.
Windows NT Server 4.0, Terminal Server EditionTo resolve this problem, obtain the latest service pack for Windows NT Server 4.0, Terminal Server Edition. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/152734/EN-US/ )How to Obtain the Latest Windows NT 4.0 Service Pack
Calls to MQFreeSecurityContext were added in order to properly release private byte memory acquired when AttachCurrentSecurityContext was called.
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 NT Server version 4.0, Terminal Server Edition Service Pack 6.
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