Server installation failed when attmpting to disable module 'Root Certs' and the module was not available in HTTP_ALIAS_DIR. When the module is not available there's no need to disable it and the error may be treated as success. https://pagure.io/freeipa/issue/6803 Reviewed-By: Christian Heimes <cheimes@redhat.com> Reviewed-By: Stanislav Laznicka <slaznick@redhat.com>