When you have at least one out of band service point in the hierarchy, you can enable provisioning for collections from the ...

When you have at least one out of band service point in the hierarchy, you can enable provisioning for collections from the central administration site or from any primary site that has the out of band service point role. Configuration Manager shares collection-based configurations to all sites, but they apply only to clients that are assigned to sites that have an out of band service point.