Microsoft KB Archive/177875

= XADM: Memory Leak in Directory Service of Exchange Server =

Article ID: 177875

Article Last Modified on 10/28/2006

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APPLIES TO


 * Microsoft Exchange Server 5.0 Standard Edition
 * Microsoft Exchange Server 5.5 Standard Edition

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This article was previously published under Q177875





SYMPTOMS
When an Exchange Server computer has been running for a long time, it may have a small memory leak in the directory service component. This can be observed by using Performance Monitor and checking the private byte counter of the Microsoft Exchange directory service process (Dsamain.exe). The observed symptom is that the counter increases over a time frame of days.



CAUSE
The Exchange directory service allocates memories from heap, which should be freed when the task is finished or during shutdown of the directory service. However, some of the allocated memory is not freed properly.



STATUS
Microsoft has confirmed this to be a problem in Microsoft Exchange Server version 5.0. This problem has been corrected in the latest U.S. Service Pack for Microsoft Exchange Server version 5.0. For information on obtaining the Service Pack, query on the following word in the Microsoft Knowledge Base (without the spaces):

S E R V P A C K

Microsoft has confirmed this to be a problem in Microsoft Exchange Server version 5.5. This problem has been corrected in the latest U.S. Service Pack for Microsoft Exchange Server version 5.5. For information on obtaining the Service Pack, query on the following word in the Microsoft Knowledge Base (without the spaces):

S E R V P A C K

Additional query words: DS

Keywords: kbbug kbfix KB177875

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