SD Reactivation
Reactivation keys include this system’s ID, history, groups, and channels.
This key can then be used only once with the rhnreg_ks
command line utility to re-register this system and regain all Uyuni settings.
Unlike typical activation keys, which are not associated with a specific system ID, keys created here do not show up within the page.

Reactivation keys can be combined with activation keys to aggregate the settings of multiple keys for a single system profile. For example:
rhnreg_ks --server=<server-url>/XMLRPC \ --activationkey=<reactivation-key>,<activationkey> \ --force
When autoinstalling a system with its existing Uyuni profile, the profile uses the system-specific activation key created here to re-register the system and return its other Uyuni settings.
For this reason, you must not regenerate, delete, or use this key (with |