Application Exception in Rasman.exe in Function SnaRasUnbind()

ID: Q183239

The information in this article applies to:

Microsoft SNA Server, versions 3.0, 3.0 SP1, 3.0 SP2, 4.0

SYMPTOMS

An SNA Server computer using SNARAS may experience an application exception in Rasman.exe in function SnaRasUnbind() after successfully opening and closing a number of SNARAS connections in succession.

An entry similar to the following will be written to a Drwtsn32.log file in the Windows NT directory when the application exception occurs:


   Application exception occurred:
           App: exe\rasman.dbg (<process id>)
           When: <date> @ <time>
           Exception number: c0000005 (access violation)

     <data omitted>

   function: SnaRasUnbind

     <data omitted>

   FAULT ->63701c81 8b7604  mov esi,[esi+0x4]   ds:014bfa0e=????????

     <data omitted>

In one reported instance of this problem, the application exception occurred after 20 to 30 SNA Server SNARAS connections were opened and then closed in succession. Each connection was established to download files from a remote system and was closed after the files were downloaded.

CAUSE

The application exception is caused when SNARAS attempts to access memory that has been released.

STATUS

Microsoft has confirmed this to be a problem in SNA Server versions 3.0, 3.0 SP1, 3.0 SP2, and 4.0.

This problem was corrected in the latest SNA Server versions 3.0 and 4.0 U.S. Service Packs. For information on obtaining these Service Packs, 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 :
Version : WINDOWS:3.0,3.0 SP1,3.0 SP2,4.0
Platform : WINDOWS
Issue type : kbbug