If the instance is installed with a virtual host name, this checkbox
is selected by default. If this checkbox is selected, you cannot
edit the Virtual Host Names and Networks
section.
AC-Enabled
To perform a prepare, unprepare, or relocate operation on an instance
that is adaptively installed, select the checkbox.
The Virtual Host Names and Networks section
displays the virtual host name of the instance.
Configure Mount Data for System
Provisioning
If the instance is not adaptive enabled but you want to use storage
based copy, select the checkbox.
Configuration 
Systems
.