Symptoms

When the Use Microsoft MQ Client selection is set to Yes or the Microsoft MQ Client is used in a .NET Framework program, the WebSphere MQ Server returns a protocol error when a GET command is executed.

Additionally, the following information is logged in the Application event log:

Application: BTSNTSvc64.exe
Framework Version: v4.0.30319
Description: The process was terminated due to an unhandled exception.
Exception Info: System.InvalidOperationException

Cause

This issue occurs after the IBM WebSphere MQ Server is updated to version 7.5.0.7 (or later) or version 8.0.5 (or later).

Resolution

This issue is fixed in Cumulative Update 2 for Host Integration Server 2016.

Status

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

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.

References

Learn about the terminology Microsoft uses to describe software updates.

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