The Management Pack for vRealize Orchestrator supports workflows that are in an external instance of vRealize Orchestrator or an instance of vRealize Orchestrator which is embedded in an instance of vRealize Automation which is connected to vRealize Operations Manager.

The Management Pack for vRealize Orchestrator supports running of workflows on vCenter Server instances that are connected to vRealize Operations Manager. The instance of vRealize Orchestrator may be connected to more vCenter Server instances but you cannot execute workflows on those instances unless they are connected to vRealize Operations Manager.

The vRealize Operations Manager may be connected to an external vRealize Automation which has an embedded vRealize Orchestrator. You can execute Management Pack for vRealize Orchestrator workflows from this instance of vRealize Orchestrator as well.