Hi List, [root@mail1 ~]# systemctl enable httpd Failed to execute operation: Invalid argument I can disable and re-enable other services without issue, I'm also seeing the same error when I run [root@mail1 ~]# systemctl enable mailman Failed to execute operation: Invalid argument Any suggestions? Michael _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx https://lists.centos.org/mailman/listinfo/centos