DOCUMENT:Q278245 19-JUL-2001 [sna] TITLE :4-Part Linked Server Queries via DB2OLEDB May Cause Exception PRODUCT :Microsoft SNA Server PROD/VER::4.0 SP2,4.0 SP3 OPER/SYS: KEYWORDS:kbsna400sp2 kbsna400sp3 kbSNA400sp4fix kbSNA400PreSP4fix ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft OLE DB Provider for DB2, versions 4.0 SP2, 4.0 SP3 ------------------------------------------------------------------------------- SYMPTOMS ======== If a SQL Server Linked Server uses the Microsoft OLE DB Provider for DB2 to access DB2 running on a mainframe computer with a large catalog size, the four-part query execution may lead to slow performance, or in some cases an Access Violation with an error message similar to the following: SqlDumpExceptionHandler: Process generated fatal exception c0000005 EXCEPTION_ACCESS_VIOLATION. SQL Server is terminating this process. Connection Broken RESOLUTION ========== To resolve this problem, obtain the latest service pack for SNA Server 4.0. For additional information, please see the following article in the Microsoft Knowledge Base: Q215838 How to Obtain the Latest SNA Server Version 4.0 Service Pack WORKAROUND ========== To workaround this problem, modify the four-part queries to use the Linked Server OPENQUERY syntax. For more information on OPENQUERY, please see the SQL Server books online. STATUS ====== Microsoft has confirmed this to be a problem in Microsoft SNA Server version 4.0 SP2 and 4.0 SP3. This problem was first corrected in SNA Server 4.0 Service Pack 4. Additional query words: DB2 MVS OS/390 SNA TCP/IP TCP MSDASQL OPENROWSET Db2oledb sp2 sp3 4-part ====================================================================== Keywords : kbsna400sp2 kbsna400sp3 kbSNA400sp4fix kbSNA400PreSP4fix Technology : kbAudDeveloper kbOLEDBSearch kbOLEDBProvDB2400SP2 kbOLEDBProvDB2400SP3 kbOLEDBProvSearch Version : :4.0 SP2,4.0 SP3 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 2001.