Add DHCP subnet group
Adding a new DHCP subnet group:
Click the Add Group button.
Enter the group name*.
Add one or more administrators.
Click the Create group button.
*The field is required.
You can also assign an administrator in the administrator's profile on the DHCP group tab (see the Administrators section).
Next, you need to add DHCP pools to the group (see the Viewing and editing DHCP subnet group section).