The information in this article applies to:
SYMPTOMSIf your TN3270 clients are configured with two LU pools, each with different 3270 LU Model types, a TN3270 client is only able to connect with one Model type. Steps To Reproduce Problem
CAUSEWhen the TN3270 client accesses an LU for the first time, the TN3270 server starts an LU list of LUs that the client may access, however, when the client tries to connect to another LU, the TN3270 server fails to add that LU to the LU list, thus always limiting the client to the first LU. RESOLUTIONMicrosoft has updated the following file to correct this problem: <tnserverroot>\TN3SERVR.EXE STATUSMicrosoft has confirmed this to be a problem in SNA Server for Windows NT. This problem was corrected in the latest SNA Server for Windows NT, 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 MORE INFORMATION
The problem lies in the TN3270 Server implementation of TCP/IP masking.
Each LU configured for use by the TN3270 Server can have TCP/IP masks
associated with it, and these masks specify the TCP/IP addresses of clients
that may connect through that LU. By default each LU has a mask that lets
any client connect. When a client first tries to connect (and this is
before the client has specified which Model type it wants to use) the
server builds a list of LUs that that client may access, based on the LU's
TCP/IP mask and the client's TCP/IP address.
Additional query words: prodsna 2.11 tn3270
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Last Reviewed: November 18, 1999 © 2000 Microsoft Corporation. All rights reserved. Terms of Use. |