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Adopting an MCA

 

If a channel suffers a communications failure, the receiver channel could be left in a 'communications receive' state. When communications are re-established the sender channel attempts to reconnect. If the remote queue manager finds that the receiver channel is already running it does not allow another version of the same receiver channel to be started. This problem requires user intervention to rectify the problem or the use of system keepalive.

The Adopt MCA function solves the problem automatically. It enables WebSphere MQ to cancel a receiver channel and to start a new one in its place.

The function can be set up with various options. For more information see WebSphere MQ Script (MQSC) Command Reference for z/OS, WebSphere MQ for iSeries System Administration Guide for iSeries and WebSphere MQ System Administration Guide for other platforms.

 

Parent topic:

Channel control function

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