To start, stop, and restart Oracle Reports components:
Navigate to the component's home page (see Section 7.3, "Viewing the Component Topology").
From the Reports menu, select Control to view the status history of the component, and activate Start Up, Shut Down.., or Restart...
To start, stop, and restart in-process servers:
Navigate to the component's home page and select reports (Managed_Server_Name) > Administration > Start /Stop /Restart In-process Reports Server.