Set the MQCD Vfield

 

The effect of initializing an MQCD to MQCD_DEFAULT has changed. You might need to change how you set the Version.

In versions of WebSphere MQ before V6.0, initializing the MQCD to the macro variables MQCD_DEFAULT or MQCD_CLIENT_CONN_DEFAULT set the Version field in the MQCD to MQCD_CURRENT_VERSION, which equates to 7 for WebSphere MQ V5.3 and 8 for WebSphere MQ V6.0.

In WebSphere MQ V6.0, MQCD_DEFAULT and MQCD_CLIENT_CONN_DEFAULT set the Vto 6. If you want to take advantage of features of the MQCD introduced in WebSphere MQ V5.3 or 6.0, set Vin the MQCD explicitly to 7 or 8, as appropriate, or to MQCD_CURRENT_VERSION. If you intend your applications to be portable between several environments, use a more-recent version MQCD only if all of those environments support that version.

 

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Additional migration information

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