Knowledge Base

TN3270E May Get Unexpected Application Exception Violations

Article ID: 151628

Article Last Modified on 11/19/2003

Microsoft SNA Server 3.0, when used with:
- Microsoft Windows NT 4.0
Microsoft SNA Server 2.11 Service Pack 1, when used with:
- Microsoft Windows NT 4.0

This article was previously published under Q151628

SYMPTOMS

The SNA Server 2.11 Service Pack 1 Tn3270E Server may experience access violations when more than two thousand clients are connected to the TN3270 Server.

If this occurs, the SNA Server TN3270E service will log the following event into the Microsoft 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 TN3270E Server will start to write beyond the bounds of one of its arrays when more than 2000 users are connected to the server.

STATUS

Microsoft has confirmed this to be a problem in Microsoft SNA Server for Windows NT versions 2.11 and 2.11.sp1. A fix to this problem is in development, but has not been regression-tested and may be destabilizing in production environments. Microsoft does not recommend implementing this fix at this time. Contact Microsoft Product Support Services for more information on the availability of this fix.

Additional query words: 2.11 tn3270

Keywords: kbprb KB151628