DOCUMENT:Q182706 15-MAR-2000 [sna] TITLE :Application Exception in Snaexp.exe After Deleting LUA Pool PRODUCT :Microsoft SNA Server PROD/VER:WINDOWS:3.0,3.0 SP1,3.0 SP2,3.0 SP3,4.0 OPER/SYS: KEYWORDS: ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft SNA Server, versions 3.0, 3.0 SP1, 3.0 SP2, 3.0 SP3, 4.0 ------------------------------------------------------------------------------- SYMPTOMS ======== SNA Manager generates an application exception error after the user deletes an LUA pool and then stops the TN3270 service. This behavior can be reproduced using the steps below. 1. Start SNA Manager with a mainframe connection containing a range of configured LUA LUs. 2. Create an LUA pool and assign the LUs to it. 3. Start the server, activate the connection, and start the TN3270 service. 4. Connect a TN3270 client session. 5. Delete the TN3270 or LUA pool. 6. Delete the LUA LUs from the connection. DO NOT SAVE the configuration yet. 7. Stop the TN3270 service. The following exception messages will appear: SnaExp.exe - Application Error The instruction at "0x67709190" referenced memory at "0x00000002". The memory could not be "read". Click "OK" SnaExp.exe - Application Error The instruction at "0x762b12b6" referenced memory at "0x00000008". The memory could not be "read". CAUSE ===== SNA Manager does not release the pointer to the LU from the user object. STATUS ====== Microsoft has confirmed this to be a problem in SNA Server versions 3.0, 3.0 SP1, 3.0 SP2, and 3.0 SP3. We are researching this problem and will post new information here in the Microsoft Knowledge Base as it becomes available. Microsoft has confirmed this to be a problem in SNA Server version 4.0. 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 Additional query words: ====================================================================== Keywords : Technology : kbAudDeveloper kbSNAServSearch kbSNAServ300 kbSNAServ400 kbSNAServ300SP3 kbSNAServ300SP1 kbSNAServ300SP2 Version : WINDOWS:3.0,3.0 SP1,3.0 SP2,3.0 SP3,4.0 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.