Microsoft KB Archive/163540

= Host Sends Logon Screen Before RUI_WRITE Completes on Open =

Article ID: 163540

Article Last Modified on 11/26/2003

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APPLIES TO


 * Microsoft SNA Server 2.0
 * Microsoft SNA Server 2.1
 * Microsoft SNA Server 3.0
 * Microsoft SNA Server 2.11 Service Pack 1
 * Microsoft SNA Server 3.0 Service Pack 4

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This article was previously published under Q163540





SYMPTOMS
In some cases, the mainframe may send the logon screen down before the RUI_WRITE on the Open has completed. If this occurs, the RUI_WRITE for the response to the logon screen fails.



CAUSE
A timing issue has been identified that allows the host to send the logon screen to the client prematurely.



RESOLUTION
To resolve this problem, obtain the hotfix mentioned below. In the hotfix, Winsli32.dll has been modified so that it does not issue RUI_READ for the SSCP normal flow until RUI_WRITE has completed.



STATUS
Microsoft has confirmed this to be a problem in Microsoft SNA Server versions 2.0, 2.1, 2.11, 2.11 Service Pack 1, and 3.0. This problem was corrected in the latest Microsoft SNA Server 2.11 and 3.0 U.S. Service Packs. 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 sp1 kbbug2.00 kbbug2.10

Keywords: kbbug kbfix kbnetwork KB163540

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