Microsoft KB Archive/183239

= Application Exception in Rasman.exe in Function SnaRasUnbind =

Article ID: 183239

Article Last Modified on 5/3/2005

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APPLIES TO


 * Microsoft SNA Server 3.0 Service Pack 4
 * Microsoft SNA Server 4.0
 * Microsoft SNA Server 3.0 Service Pack 2
 * Microsoft SNA Server 4.0

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This article was previously published under Q183239



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 When: @ Exception number: c0000005 (access violation)

function: SnaRasUnbind

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

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

Keywords: kbbug kbfix KB183239

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