You can enable a resource type from the Configure Managed Resources page by using the following steps.
Open the Configure Managed Resources page if it is not already open (Managing the Resources List).
In the Resources section, select the box in the Managed? column for the resource type that you want to enable.
To enable all of the listed resource types, select Manage all resources.
Click Save at the bottom of the page.
The resource is added to the Resources list.