Milan: Thanks. That seems to have at least partially fixed things, as update-manager and users-admin are now properly prompting for password and allowing access to locked items.
Unfortunately the Unlock button of gdmsetup still doesn't work, but maybe something else is going on there? If I run it from console I get no message when clicking Unlock. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/221363 Title: Policy Kit Unlock Buttons Greyed Out when using NX / VNC / LTSP -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs