If you have vRealize Automation 7.3 or earlier configured on your environment, then end-point Management agents must be installed on all nodes on vRealize Automation. vRealize Automation 7.4 or later uses the vRealize Health Broker that is used to expose APIs through which you can monitor vRealize Automation health. From vRealize Automation 7.4, SDDC Health Adapter collects metric using Health Broker and vRealize Automation API. vRealize Automation application object has to be modified to provide credentials and the credentials should be root credentials.