Modify and create a service package via these fields:
Service Package Name: Enter name for the service package.
Description: Enter a line description of the service package. This field may be left blank.
Enabled: Select the checkbox to enable the service package to be used for account creation.
Resource Set: Server group of the resource set where accounts of this service package shall be stored.
While modifying a service package or an Add-On: If you modify the resource set then all connections between the basic service package and the Add-On will be terminated - the service package will no longer be connected to the Add-Ons it is connected to now.
Click Next.