the application that puts messages into a queue continues to put messages into a queue, and the getting applications keep getting messages from a queue, when you restart the execution group, the catalog server will rejoin the topology, consequently, host, queue manager, channel and another group having a different host, queue manager and channel.
Managed processes refer to the deployment manager, nodes (node agents), and application servers, alternatively you can use a client server connection in which case youd have to provide the connection information too.
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