Chapter 18. Changing a subscription service
To manage the subscriptions, you can register a RHEL system with either Red Hat Subscription Management Server or Red Hat Satellite Server. If required, you can change the subscription service at a later point. To change the subscription service under which you are registered, unregister the system from the current service and then register it with a new service.
To receive the system updates, register your system with either of the management servers.
This section contains information about how to unregister your RHEL system from the Red Hat Subscription Management Server and Red Hat Satellite Server.
Prerequisites
You have registered your system with any one of the following:
- Red Hat Subscription Management Server
- Red Hat Satellite Server version 6.11
To receive the system updates, register your system with either of the management servers.
18.1. Unregistering from Subscription Management Server
You can unregister a RHEL system from Red Hat Subscription Management Server by using a command line and the Subscription Manager user interface.
18.1.1. Unregistering using command line
Use the unregister command to unregister a RHEL system from Red Hat Subscription Management Server.
Procedure
Run the unregister command as a root user, without any additional parameters.
#subscription-manager unregister- When prompted, provide a root password.
The system is unregistered from the Subscription Management Server, and the status 'The system is currently not registered' is displayed with the button enabled.
To continue uninterrupted services, re-register the system with either of the management services. If you do not register the system with a management service, you may fail to receive the system updates. For more information about registering a system, see Registering your system using the command line.
Additional resources
18.1.2. Unregistering by using Subscription Manager user interface
You can unregister a RHEL system from Red Hat Subscription Management Server by using the Subscription Manager user interface.
Procedure
- Log in to your system.
- From the top left-hand side of the window, click Activities.
- From the menu options, click the Show Applications icon.
- Click the Red Hat Subscription Manager icon, or enter Red Hat Subscription Manager in the search.
Enter your administrator password in the Authentication Required dialog box. The Subscriptions window appears and displays the current status of Subscriptions, System Purpose, and installed products. Unregistered products display a red X.
Authentication is required to perform privileged tasks on the system.
- Click the button.
The system is unregistered from the Subscription Management Server, and the status 'The system is currently not registered' is displayed with the button enabled.
To continue uninterrupted services, re-register the system with either of the management services. If you do not register the system with a management service, you may fail to receive the system updates. For more information, see Registering your system using the Subscription Manager User Interface.
Additional resources
18.2. Unregistering from Satellite Server
To unregister a Red Hat Enterprise Linux system from Satellite Server, remove the system from Satellite Server.
For more information, see Removing a Host from Red Hat Satellite.
