Q181977: Application Exception in Snanmvt.exe

Article: Q181977
Product(s): Microsoft SNA Server
Version(s): WINDOWS:4.0
Operating System(s): 
Keyword(s): 
Last Modified: 02-APR-2000

-------------------------------------------------------------------------------
The information in this article applies to:

- Microsoft SNA Server, version 4.0 
-------------------------------------------------------------------------------

SYMPTOMS
========

If the SnaNetMn service is configured for automatic startup in Control
Panel/Services or if it is started manually, the following popup error message
is displayed:

  

  SNA Server - ERROR # 03...

           OK

Note: This message will not appear in the application event log.

In addition, an application exception in Snanmvt.exe occurs that generates a Dr.
Watson log in the Windows NT directory. The entry created in the Drwtsn32.log
file will be similar to the following:

  Application exception occurred:
          App: exe\snanmvt.dbg (pid=<pid #>)
          When: <date> @ <time>
          Exception number: c0000005 (access violation)

  function: sepdnmsd_int

  [...]
  FAULT ->67241535 803a00           cmp     byte ptr [edx],0x0
  [...]

The following messages will be logged in the Windows NT Application Event log:

  

  Event ID: 4097
  Source: DrWatson
  Description: The application, exe\snanmvt.dbg, generated an application
  error. The error occurred on  <date> @  <time>. The exception generated
  was c0000005 at address 67241535 (sepdnmsd_int)

  Event ID: 624
  Source: SNA Server
  Description: Creating dump file <snaroot>\traces\snadump.log for
  snanmvt.exe

CAUSE
=====

The application exception occurs because a corrupted buffer caused stack
corruption while attempting to display popup errors that contained long error
messages. The error message that results from starting the SnaNetMn service
contains a long description, which is why the application exception occurs.

Note: Other errors may result in an application exception when a popup error
message is being displayed. These application exceptions may be reported against
components other than Snanmvt.exe.

STATUS
======

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

MORE INFORMATION
================

The SnaNetMn service should not be configured for automatic startup in Control
Panel/Services nor started manually by a user. The SNA Server service will start
this service if NetView connectivity is configured in the SNA Server
configuration.

If the SnaNetMn service is started automatically by Service Control Manager or
manually by a user, the following message should be displayed:

  

  SNA Server - ERROR # 0352

  Unable to open the configuration file, rc=618

  EXPLANATION
  A Windows NT error occurred while attempting to open the configuration file
  to obtain configuration information that logged this message.

  This error could be due to one of the following:
  - You have not configured the server using the SNA Server Admin program
  - The configuration file is corrupt
  - This is a member server and the primary/backup servers are not available

  ACTION
  Check the Windows NT return code shown on this message. See your Windows NT
  documentation for information on return codes.

  -------------

Please refer to the following Knowledge Base article for more information about
what SNA Server services can be started automatically through Control
Panel/Services:

  Q110390 Automatically Starting SNA Server Through Control Panel

Additional query words:

======================================================================
Keywords          :  
Technology        : kbAudDeveloper kbSNAServSearch kbSNAServ400
Version           : WINDOWS: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 1986-2002.