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  2. FIX: The SNA Server service does not try to make failed LU 6.2 sessions active again in a Host Integration Server environment

FIX: The SNA Server service does not try to make failed LU 6.2 sessions active again in a Host Integration Server environment

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Symptoms

Consider the following scenario:
  • An instance of Microsoft Host Integration Server is configured to communicate with an IBM mainframe Advanced Program-to-Program Communications (APPC) application by using Logical Unit type 6.2 (LU 6.2).
  • An APPC Mode definition on the instance of Host Integration Server includes Partner definitions to automatically make LU 6.2 sessions active.
  • The SNA Server service receives BIND -RSP response units (RUs) from the IBM mainframe when it tries to make the LU 6.2 sessions active.
  • The BIND -RSP RUs include one of the following IBM sense codes. These codes indicate the reason that the session requests failed.
    • 8001
    • 8002
    • 8003
    • 8013

In this scenario, the SNA Server service does not try to make the LU 6.2 sessions active again by sending additional BIND RUs. When this problem occurs, the number of LU 6.2 sessions that are automatically made active is less than the total configured sessions that are to be made active as specified in the Host Integration Server configuration.

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Cause

This problem occurs because of the conditions under which the SNA Service tries to make LU 6.2 sessions automatically active. For more information about these conditions, see LU 6.2 Sessions Are Not Automatically Activated After Host IPL .

IBM sense codes 8001, 8002, 8003, and 8013 were added to the list of IBM sense codes that were considered recoverable without intervention. However, the SNA Server service does not correctly interpret these sense codes. Therefore, sessions that were active are not retried when a BIND -RSP RU is received that includes one of the listed IBM sense codes.

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Resolution

Cumulative update information

Microsoft Host Integration Server 2010

The fix that resolves this problem is included in cumulative update package 7 for Host Integration Server 2010. For more information about how to obtain the cumulative update package, see Cumulative update package 7 for Host Integration Server 2010 .

Microsoft Host Integration Server 2009

The fix that resolves this problem is included in cumulative update package 5 for Host Integration Server 2009. For more information about how to obtain the cumulative update package, see Cumulative update package 5 for Host Integration Server 2009 .

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Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

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More Information

The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.

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Keywords: kbqfe, kbfix, kbnotautohotfix, kbexpertiseinter, kbbug, kbsurveynew, kb

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Article Info
Article ID : 2812705
Revision : 1
Created on : 1/7/2017
Published on : 6/4/2013
Exists online : False
Views : 333