vCenter Enhanced Linked Mode allows you to log in to any single instance of vCenter Server Appliance or vCenter Server and view and manage the inventories of all the vCenter Server systems in the group.

You can join up to ten vCenter Server Appliance systems and eight vCenter Server systems with vCenter Enhanced Linked Mode.

You can create a vCenter Enhanced Linked Mode group only during the deployment of vCenter Server Appliance or installation of vCenter Server. You cannot create a vCenter Enhanced Linked Mode group after you install vCenter Server or after you deploy the vCenter Server Appliance.