TN3270: TN3270E May Encounter Unexpected Application Exception

ID: Q153948

The information in this article applies to:

- Microsoft SNA Server for Windows NT, versions 2.11 and 2.11 Service

   Pack 1

SYMPTOMS

The SNA Server 2.11 Service Pack 1 TN3270E Server may experience intermittent and random access violations.

If this occurs, the SNA Server TN3270E service will log the following event in the Windows NT application event log:

   Event ID:5

   The TN3270E Service has abnormally terminated.

   EXPLANATION
   An exception (0xC0000005) has occurred that has caused the TN3270E
   Service to terminate.

   ACTION
   Record message and contact technical support.

CAUSE

The TN3270 Server uses a critical section to protect its session control blocks. However, it was not always using this critical section when it scanned the control blocks. This can cause an access violation to occur.

STATUS

Microsoft has confirmed this to be a problem in SNA Server for Windows NT versions 2.11 and 2.11.sp1. This problem was corrected in the latest Microsoft SNA Server 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

Additional query words: prodsna tn3270

Keywords          : kbnetwork ntnetserv kbbug2.11 kbfix2.11.sp2 
Version           : 2.11 2.11.sp1
Platform          : WINDOWS

Last Reviewed: April 18, 1997