I've the same problem! Sometimes I can connect, sometimes the auth box doesn't appear!
Seems nm-applet problem. my temporary fix: pkill nm-applet pkill gnome-shell now execute (in this order) nm-applet & gnome-shell & -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/824255 Title: network-manager-openconnect can’t prompt for passwords To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager-openconnect/+bug/824255/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs