Microsoft KB Archive/174468

= SLI_SEND Fails To Complete, Causing Win32 SLI App To Hang =

Article ID: 174468

Article Last Modified on 6/24/2004

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APPLIES TO


 * Microsoft SNA Server 3.0 Service Pack 4, when used with:
 * Microsoft Windows NT 4.0
 * Microsoft SNA Server 4.0, when used with:
 * Microsoft Windows NT 4.0

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This article was previously published under Q174468





SYMPTOMS
A Win32 SLI application may hang waiting for an SLI_SEND to complete. This may occur if the host has sent an UNBIND on the session, which causes the SLI library to issue an RUI_TERM.



CAUSE
SNA Server's Winsli32.dll does not return the SLI_SEND Post response to the SLI application after an RUI_TERM is sent and this causes the application to hang.



RESOLUTION
Microsoft has updated Winsli32.dll so that it returns all outstanding SLI verbs to the application when a session fails.



STATUS
Microsoft has confirmed this to be a problem in SNA Server version 3.0 and 3.0sp1. This problem was corrected in the latest SNA Server version 3.0 U.S. Service Pack. For information on obtaining this Service Pack, query on the following word in the Microsoft Knowledge Base (without the spaces):

S E R V P A C K



MORE INFORMATION
A client side trace will show the following data flow:   -- 08:18:08.05 SLI_RECEIVE request -- 08:18:08.06  RUI_READ response OK - OK  (Unbind received on this response) -- 08:18:08.06  RUI_READ request -- 08:18:08.06  SLI_RECEIVE response OK - OK  (client receives message signoff is successful in data flow) -- 08:18:08.06  SLI_SEND request -- 08:18:08.06  RUI_TERM request -- 08:18:08.07  RUI_WRITE request -- 08:18:08.07  RUI_WRITE response CANCELLED - TERMINATED -- 08:18:08.08  SLI_SEND response IN_PROGRESS - OK  -- 08:18:08.08 RUI_READ response CANCELLED - TERMINATED -- 08:18:08.08  RUI_READ response CANCELLED - TERMINATED -- 08:18:08.08  RUI_READ response CANCELLED - TERMINATED -- 08:18:08.08  RUI_TERM response OK - OK  -- 08:18:08.09 SLI_BID post SESSION_FAILURE - 00000055

Additional query words: sli hang

Keywords: kbbug kbfix KB174468

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