Sorry forgot something: Now after Rebooting I experienced, that e.g. services-admin starts without asking permissions. Then you need to run alacarte menu editor and check the section >System >Administration and put gksu before these commands: gksu gdmsetup gksu users-admin gksu time-admin gksu services-admin gksu network-admin
-- Admin tools require admin group membership https://launchpad.net/bugs/59946 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs