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FIX: An "HISMAGB0012" error message occurs when you try to run more than one two-phase commit transactions in one UOW in a Host Integration Server 2010 environment

SYMPTOMS
In a Microsoft Host Integration Server 2010 environment, when you try to run more than one two-phase commit transactions in one unit of work (UOW), the operation is not successful.

For example, in Host Integration Server 2010, you use the Persist Connections property in the Client Context object order to execute the Customer Information Control System (CICS) Transactions in the same UOW. However, you receive an error message that resembles the following:
HISMAGB0012.

When processing parameter parameter_name in method method_name the data type of the parameter or of an element within the parameter is not of the expected type. Check the program. If it is correct, verify that the correct Transaction Integrator-created library is deployed

Note This problem does not occur in a Host Integration Server 2006 environment.
CAUSE
This problem occurs because Transaction Integrator does not correctly handle persistent connections when it shares client context between two Transaction Integrator objects.
RESOLUTION
The hotfix that resolves this issue is included in cumulative update package 2 for Host Integration Server 2010.

For more information about how to obtain the cumulative update package, click the following article number to view the article in the Microsoft Knowledge Base:
2616519 Cumulative update package 2 for Host Integration Server 2010

STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
REFERENCES
For more information, visit the following Microsoft TechNet website:
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Article ID: 2636160 - Last Review: 12/16/2011 00:15:00 - Revision: 1.0

Microsoft Host Integration Server 2010

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