System Administrators install vRealize Automation into their existing virtualization environments. Before you begin an installation, prepare the deployment environment to meet system requirements. Host Names and IP AddressesvRealize Automation requires that you name the hosts in your installation according to certain requirements. Hardware and Virtual Machine RequirementsYour deployment must meet minimum system resources to install virtual appliances and minimum hardware requirements to install IaaS components on the Windows Server. Browser ConsiderationsSome restrictions exist for browser use with vRealize Automation. Password ConsiderationsCharacter restrictions apply to some passwords. Windows Server RequirementsThe virtual or physical Windows machine that hosts the IaaS components must meet configuration requirements for the IaaS database, the IaaS server components, the IaaS Manager Service, and Distributed Execution Managers. vRealize Automation Port RequirementsvRealize Automation uses designated ports for communication and data access. User Accounts and Credentials Required for InstallationYou must verify that you have the roles and credentials to install vRealize Automation components. SecurityvRealize Automation uses SSL to ensure secure communication among components. Passphrases are used for secure database storage. Time SynchronizationA system administrator must set up accurate timekeeping as part of the vRealize Automation installation.