Microsoft KB Archive/296735

= Server Applications Unexpectedly Stop Accepting New Connections =

Article ID: 296735

Article Last Modified on 1/31/2007

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APPLIES TO


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

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This article was previously published under Q296735



SYMPTOMS
Server applications may unexpectedly stop accepting connections.



CAUSE
This behavior is due to a bug in the Msafd.dll file. The bug can prevent the replenishment of the listen backlog when a failure occurs during the registering of memory on a freshly accepted connection. When enough of these failures occur, the Msafd System Area Network (SAN) backlog eventually goes to 0, and Msafd starts rejecting all incoming SAN connections.



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



STATUS
Microsoft has confirmed that this is a problem in Microsoft Windows 2000. This problem was first corrected in Windows 2000 Service Pack 2.

Keywords: kbbug kbfix KB296735

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