DOCUMENT:Q194081 21-OCT-2000 [sna] TITLE :Unable to Cancel TEST_RTS_AND_POST if Verb Issued Synchronously PRODUCT :Microsoft SNA Server PROD/VER:WINDOWS:3.0 SP1,3.0 SP2,3.0 SP3,4.0,4.0 SP1 OPER/SYS: KEYWORDS:kbbuglist ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft SNA Server, versions 3.0 SP1, 3.0 SP2, 3.0 SP3, 4.0, 4.0 SP1 ------------------------------------------------------------------------------- SYMPTOMS ======== If an APPC/CPI-C conversation is deallocated while a TEST_RTS_AND_POST command is outstanding, the TEST_RTS_AND_POST may complete after the calling application has deleted the post event, causing an application exception. Steps to Reproduce the Problem ------------------------------ 1. Issue the TEST_RTS_AND_POST verb synchronously. 2. End the application by issuing a DEALLOCATE command. 3. In the middle of the application's shutdown, TEST_RTS_AND_POST might set the event causing an application exception. CAUSE ===== The APPC library included in SNA Server was not designed to cancel an outstanding TEST_RTS_AND_POST call when an APPC/CPI-C conversation was deallocated. RESOLUTION ========== Microsoft has confirmed this to be a problem in SNA Server versions 3.0, 3.0 SP1, 3.0 SP2, 3.0 SP3, 4.0, and 4.0 SP1. We are researching this problem in SNA Server version 3.0 and will post more information here in the Knowledge Base as it becomes available. This problem was corrected in the latest SNA Server version 4.0 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 ================ This update will issue a CANCEL_TEST_RTS_AND_POST command when the DEALLOCATE command is issued. Additional query words: ====================================================================== Keywords : kbbuglist Technology : kbAudDeveloper kbSNAServSearch kbSNAServ400 kbSNAServ300SP3 kbSNAServ300SP1 kbSNAServ400SP1 kbSNAServ300SP2 Version : WINDOWS:3.0 SP1,3.0 SP2,3.0 SP3,4.0,4.0 SP1 Issue type : kbbug Solution Type : kbfix ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. Copyright Microsoft Corporation 2000.