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5.2. Entitlement

subscription-manager component
When firstboot is running in text mode, the user can only register via Red Hat Network Register, not with subscription-manager. Both are available in GUI mode.
subscription-manager component
If multiple repositories are enabled, subscription-manager installs product certificates from all repositories instead of installing the product certificate only from the repository from which the RPM package was installed.
subscription-manager component
firstboot fails to provide Red Hat Network registration to a virtual machine in a NAT-based network; for example, in the libvirt environment. Note that this problem only occurs during the first boot after installation. If you run firstboot manually later, the registration finishes successfully.