You can perform a side-by-side upgrade of your current vRealize Automation 6.2.x environment using migration.
New vRealize Automation features introduce several enhancements along with the ability to upgrade or migrate to the new version. For recommendations and guidance before you begin the upgrade process, visit the vRealize Automation Upgrade Assistance Program web page at http://www.vmware.com/products/vrealize-automation/upgrade-center before you begin the upgrade process.
This information is specific to upgrading vRealize Automation 6.2.x . For information about other supported upgrade paths, see Upgrading vRealize Automation.