Microsoft KB Archive/165912

= 3270 Applet Resets Session and Returns to Host Signon Screen =

Article ID: 165912

Article Last Modified on 10/22/2003

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APPLIES TO


 * Microsoft SNA Server 3.0 Service Pack 4, when used with:
 * Microsoft Windows NT 4.0

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This article was previously published under Q165912





SYMPTOMS
After connecting to a specific host application, the 3270 applet resets the session and returns to the host logon screen. When this occurs, the 3270 applet reports sense code 0813 (Bracket Bid Reject), followed by sense code 1003 (Function Not Supported).



CAUSE
The host sends data to the 3270 applet after the user has started typing. The applet correctly rejects the data with sense code 0813. The host continues to send after SNA Server has sent the negative response. instead of passing the second set of data up to the applet, SNA Server converts it into an exception response (EXR) message with the sense code 2003 (Bracket Error).

The applet should be responding with the same sense code (0813), however, the applet is incorrectly treating the EXR message as a normal request, causing the applet to incorrectly respond with sense code 1003. This causes the session to end.



RESOLUTION
An update to SNA Server 3.0 is available to correct this problem. To resolve this problem, obtain the hotfix mentioned below.



STATUS
Microsoft has confirmed this to be a problem in SNA Server version 3.0. This problem was corrected in the latest Microsoft SNA Server 3.0 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

Keywords: kbbug kbfix kbnetwork KB165912

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