Okay, after a update of gnome-system-tools the status of the Checkbox is now saved but the problem with the service discovery is still there: i can't see the avahi-services from other machines in the network and i'm unable to see my own too.
-- Automatic Service Discovery-Button in the network-admin can't be set https://launchpad.net/bugs/65308 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
