DOCUMENT:Q241138 08-MAY-2002 [sna] TITLE :SNA Server Windows 3.x Client Causes Access Violation PRODUCT :Microsoft SNA Server PROD/VER::3.0,3.0 SP1,3.0 SP2,3.0 SP3,3.0 SP4,4.0,4.0 SP1,4.0 SP2,4.0 SP3,4.0 SP4 OPER/SYS: KEYWORDS:sna4 kbsna400sp1 kbsna400sp2 kbsna400sp3 kbsna400sp4 ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft SNA Server, versions 3.0, 3.0 SP1, 3.0 SP2, 3.0 SP3, 3.0 SP4, 4.0, 4.0 SP1, 4.0 SP2, 4.0 SP3, 4.0 SP4 - Microsoft Host Integration Server 2000 ------------------------------------------------------------------------------- SYMPTOMS ======== The SNA Server Windows 3.x client software (Wnap.exe and Win3270.exe) may fail with an Access Violation error in the following configurations: - When you install on a computer running Windows 98 Second Edition - After you install Microsoft Internet Explorer 5 on Windows 98, where the SNA Win 3.x client had been working with no problems prior to the upgrade to Internet Explorer 5 On computers running Windows 98, the Access Violation error message may be similar to the following: WNAP caused a general protection fault in module WNAP.EXE at 0005:00000a10. Registers: EAX=ffff2864 CS=2eb7 EIP=00000a10 EFLGS=00000246 EBX=014f2864 SS=2e87 ESP=000025ca EBP=000025de ECX=00000000 DS=2e87 ESI=00022d50 FS=2e7f EDX=00002f2f ES=2f2f EDI=00002e6f GS=0000 Bytes at CS:EIP: ff 1e c4 0c c4 1e 2c 01 26 c7 87 35 27 02 00 b8 Stack dump: 28642eef 2d502f2f 62002e6f 28648928 2e872f2f 043425fd 2eef2ec7 2e6f2d50 00000200 00032f2f 2e872622 2eef0b90 270f2e87 17d79e9d 00000000 00100000 CAUSE ===== When you run the SNA Windows 3.x client on the above Windows 98 configurations, the SNA client components are exhausting their local program stack space, which results in unexpected failures in the SNA client components. RESOLUTION ========== A supported fix is now available from Microsoft, but it is only intended to correct the problem described in this article and should be applied only to systems experiencing this specific problem. To resolve this problem, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information on support costs, please go to the following address on the World Wide Web: http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS NOTE: In special cases, charges that are normally incurred for support calls may be canceled, if a Microsoft Support Professional determines that a specific update will resolve your problem. Normal support costs will apply to additional support questions and issues that do not qualify for the specific update in question. WORKAROUND ========== If the problem started to occur after you installed Microsoft Internet Explorer 5, to work around the problem, remove Internet Explorer 5 and install a previous version of Internet Explorer. STATUS ====== Microsoft has confirmed this to be a problem in SNA Server 3.0, 3.0 SP1, 3.0 SP2, 3.0 SP3, 3.0 SP4, SNA 4.0, 4.0 SP1, 4.0 SP2, 4.0 SP3, and 4.0 SP4. This problem was correctd in Host Integration Server 2000. Additional query words: ====================================================================== Keywords : sna4 kbsna400sp1 kbsna400sp2 kbsna400sp3 kbsna400sp4 Technology : kbAudDeveloper kbSNAServSearch kbHostIntegServ2000 kbSNAServ300 kbSNAServ400 kbSNAServ300SP3 kbSNAServ300SP1 kbSNAServ400SP1 kbSNAServ400SP2 kbSNAServ400SP3 kbSNAServ400SP4 kbSNAServ300SP2 kbSNAServ300SP4 Version : :3.0,3.0 SP1,3.0 SP2,3.0 SP3,3.0 SP4,4.0,4.0 SP1,4.0 SP2,4.0 SP3,4.0 SP4 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 2002.