Enabling Data Queue Listeners
The Data Queue Listener must be enabled before it starts monitoring a data queue for data. When you create a listener, it is not automatically enabled.
Note:
You cannot enable a listener if the connection alias the listener is using is disabled.
To enable an AS/400 Data Queue Listener
1. Start the Integration Server Administrator if it is not already running.
2. Make sure the WmAS400 package is enabled.
3. In the Adapters menu in the navigation area of the Integration Server Administrator, click AS/400 Adapter to manage the AS/400 polling notifications.
4. In the AS/400 Adapter navigation area, click Data Queue Listeners.
5. On the listener screen, click No in the Enabled column for the listener you want to enable. The Integration Server Administrator or enables the listener and displays a 
and Yes in the Enabled column.