Microsoft KB Archive/170659

= Can't Open Multiple TN3270 Sessions After Upgrade to 3.0 SP1 =

Article ID: 170659

Article Last Modified on 6/29/2004

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APPLIES TO


 * Microsoft SNA Server 4.0

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This article was previously published under Q170659





SYMPTOMS
After you upgrade from SNA Server 3.0 to 3.0 Service Pack 1 (SP1), TN3270 users who are assigned multiple LUs to their IP address (to support multiple sessions) are only able to open a single session. This problem affects TN3270-only clients (not TN3270E).

When attempting to open a second session from the same TN3270 client, the TN3270 emulator receives the following error:

PROG 505

TN3270E Service Error 511 Telnet negotiation failure: client did not

send a valid configured TN3270 terminal type.



CAUSE
This problem was introduced in SNA Server 3.0 Service Pack 1, by the addition of TN3270 server support for multiple ports.



STATUS
Microsoft has confirmed this to be a problem in SNA Server version 3.0 Service Pack 1. This problem was corrected in the latest SNA Server version 3.0 U.S. Service Pack. For information on obtaining this 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 KB170659

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