Do you have components with shared dependencies? Maybe direct parent-child relationships aren't quite right for the scenario. Perhaps a specific data-base outage can bring down more than one of your services. Enter the ability to link multiple components. Now you have the setting you need!
Here's how it works: Go into your service component that could affect more than one service and add those services to the Linked to option:
Now when you post an event to the service component, the service status of the others will be affected by the event.