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A couple of notes on NMQ_MQ_LIB

Posted by jpluimers on 2013/02/13

A couple of notes on NMQ_MQ_LIB and the WebSphere MQ aka MQSeries client libraries:

  • NMQ_MQ_LIB specifies the MQ DLL to use
  • Depending in your interface, the NMQ_MQ_LIB can be an environment variable, application setting, or hardcoded DLL name
  • MQSeries 5.x and WebShpere MQ 6.x require you to specify the bitness in the MQIC DLL name (they don’t accept mqic.dll, but require mqic32.dll) when you access it from the C or Delphi interface.
    MQM DLL does not require bitness: it is mqm.dll in all versions.
  • From client applications, use mqic.dll or mqic32.dll.

And a few links:

I needed this to get some apps talking to MQ on AS/400 aka iSeries aka System i working correctly by getting the DLLs right.


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