Microsoft KB Archive/159276

= TN3270E May Encounter Unexpected Application Exception =

Article ID: 159276

Article Last Modified on 11/19/2003

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APPLIES TO


 * 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

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This article was previously published under Q159276





SYMPTOMS
The SNA Server 2.11 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 TN3270E server has an array of entries that are used to track licensing information. This array can be accessed by any other thread in the TN3270E Server. However, it was not using a critical section when accessing the array.



STATUS
Microsoft has confirmed this to be a problem in Microsoft SNA Server 2.11 and 2.11sp1.

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: kbbug kbfix kbnetwork KB159276

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