Stopping SNA Server Causes Application Exception in SNALINK.EXE

ID: Q138611

The information in this article applies to:

Microsoft SNA Server, version 2.11
on the following platforms: NT

SYMPTOMS

An application exception (trap) occurs in the SNA Server 802.2 Link Service when you stop SNA Server version 2.11. If DRWTSN32.EXE is configured as the default debugger, the DRWTSN32.LOG includes an exception similar to the following:

Application exception occurred:
App: snalink.DBG (pid=169)
When: 08/2/1995 @ 1:54:25.364
Exception number: c0000005 (access violation)

In addition, SNA Server logs Event 624 in the Windows NT Event Viewer Application Log when this trap occurs. The following is a detailed description of the Event 624 that is logged when the exception occurs:

Creating dump file C:\SNA\TRACES\SNADUMP.LOG for SNALINK.EXE

EXPLANATION:

A process (SNALINK.EXE) ended abnormally due to a protection violation or similar condition and a dump file SNADUMP.LOG has been created that contains information about the state of the process at the time of the exception. Register information is contained in your Windows NT root directory in the file DRWTSN32.LOG.

CAUSE

The application exception is caused when the 802.2 Link Service tries to access a pointer to a LCB after it has previously been freed.

RESOLUTION

Microsoft has updated the follwing files to correct this problem:

<snaroot>\SYSTEM\SNADLC.DLL
<snaroot>\SYSTEM\HWSETUP\SNACLASP.INF

STATUS

Microsoft has confirmed this to be a problem in SNA Server for Windows NT. This problem was corrected in the latest SNA Server for Windows NT, 2.11 U.S. Service Pack. For information on obtaining the Service Pack, query on the following word in the Microsoft Knowledge Base (without the spaces):

S E R V P A C K

KBCategory: kbnetwork kbbug2.11
KBSubcategory: ntnetserv

Additional query words: prodsna 2.11 trap admin net stop snaservr.exe

Keywords : ntnetserv
Version : WINDOWS:2.11
Platform : WINDOWS
Issue type :