If you created component queues with earlier releases, and do not want to migrate the component queues, you can use legacy Component Manager to manage the components. Use legacy Component Manager to create and work with component queues from earlier releases.
The Component Managers node allows you to configure, start, and stop a legacy Component Manager and its associated components. You can run one or more legacy Component Managers; each legacy Component Manager coordinates one or more components, which are responsible for delivering events from workflow system to an external entity. The Component Managers folder displays all legacy Component Managers currently defined. Selecting a legacy Component Manager displays its components.