By default, systems are registered with Customer Portal Subscription Management. The Red Hat Subscription Manager configuration must be updated to identify the alternate subscription service, and then the system can be registered as normal. This configuration can be updated manually or it can be automatically configured through a special RPM which is available with Subscription Asset Manager.
The simplest way to register a system with a subscription management application:
Subscription Asset Manager has an RPM which contains the required certificate and automatically updates the server configuration. Installing the RPM of the Subscription Asset Manager configuration from the Subscription Asset Manager server is the simplest way to create the proper configuration.
[root@server ~]# rpm -ivh http://sam.example.com/pub/candlepin-cert-consumer-latest.noarch.rpm