The system administrator installs the Website component to provide access to infrastructure capabilities in the vRealize Automation web console. You can install one or many instances of the Website component, but you must configure Model Manager Data on the machine that hosts the first Website component. You install Model Manager Data only once.
Install the IaaS Database, see Choosing an IaaS Database Scenario.
If you already installed other IaaS components, know the database passphrase that you created.
If you are using load balancers in your environment, verify that they meet the configuration requirements.