The problem was different for me. After removing gnome3, vnc was not in the plugins list any more. I had to manually add it in gconf-editor : apps/vinagre/plugins -> active-plugins
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/809281 Title: unable to activate VNC plugin - greyed out To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/vinagre/+bug/809281/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs