The information in this article applies to:
SYMPTOMS
APPC applications and 5250 emulators may appear to hang when trying to
connect to a SNA Server, version 3.0 (including all SPs) or 4.0 system.
This is the error that was displayed when using the 5250 Applet that is included with SNA Server when QPCSUPP was configured as the Implicit Incoming Mode in SNA Server Manager. It took several minutes before the error was displayed. The error message may be different depending on the emulator that is being used. For other APPC applications, a SNA Server LU 6.2 Message trace may show that the SNA Server nevers responds to the "Open LU62 Request" that it receives from the APPC DLL on the client running the application. If you are using dependent APPC LUs, this message may appear in the Application Event Log:
CAUSE
This problem is caused if the Remote APPC LU defined in SNA Server 3.0
is configured to use an Implicit Incoming Mode that matches the APPC
Mode that the application will be using. For example, the problem would
occur if the Implicit Incoming Mode was set to APPCMODE and the APPC
application was defined to use this mode.
MORE INFORMATIONAn Implicit Incoming Mode is used to define the properties to use when SNA Server receives a request to start an APPC session when an incoming APPC Allocate specifies a null Mode name or if the specified Mode name is not recognized by SNA Server. WORKAROUNDThe workaround is to change the Implicit Incoming Mode setting for Remote APPC LUs to either <None> or to a Mode name that the APPC/5250 applications are not actually using. STATUS
Microsoft has confirmed this to be a problem in SNA Server version 3.0,
3.0 SP1, 3.0 SP2, and 4.0. We are researching this problem and will
post new information here in the Microsoft Knowledge Base as it becomes
available.
S E R V P A C K Additional query words: hang black
Keywords : kbfix4.00.sp1 prodsna snaappc snacpic sna5250 |
Last Reviewed: January 13, 2000 © 2000 Microsoft Corporation. All rights reserved. Terms of Use. |