Microsoft KB Archive/161355

= TP_START Stops Responding If SnaBase Fails on Win95 Client =

Article ID: 161355

Article Last Modified on 10/30/2003

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APPLIES TO


 * Microsoft SNA Server 3.0
 * Microsoft SNA Server 2.11 Service Pack 1

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This article was previously published under Q161355





SYMPTOMS
A 5250/APPC application appears to stop responding indefinitely on a SNA Server client computer running Windows 95.



CAUSE
If SnaBase successfully connects to a computer running SNA Server, but then the connection is aborted either by SNA Server due to either an invalid username or password, or by some user action (such as clicking Cancel in the SNA Server Logon dialog box), the Snakrnl.dll file does not report a lost locality correctly. Because the lost locality is not reported correctly, a WinAPPCStartup call issued by the 5250/APPC application may return successfully, even though SnaBase is not started. If the application then issues a TP_START verb, it will stop responding indefinitely.



RESOLUTION
To resolve this problem, obtain the hotfix mentioned below. The Snakrnl.dll file has been updated to correctly report the lost locality, so that a WinAPPCStartup call does not complete successfully if SnaBase fails to start.

This fix is already incorporated into the Windows 95 client for SNA Server 3.0.



STATUS
Microsoft has confirmed this to be a problem in SNA Server versions 2.11 and 2.11 Service Pack 1. 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 lock lockup win95 freeze hang 2.11.sp1 sp1

Keywords: kbbug kbfix kbnetwork KB161355

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