The following prerequisites must be met before you can upgrade to Oracle Exalytics Release 2.2 on an Exalytics Machine configured for virtualization:
You have one or more Exalytics Machines configured for virtualization.
You have upgraded to Oracle VM Server 3.4.3 and Oracle VM Manager 3.4.3 or later version.
You have added Oracle VM Server to your Oracle VM Manager environment. To add Oracle VM Servers to your Oracle VM Manager, see Discovering Oracle VM Servers.