Same issue here 18.04 with latest updates
Jul 31 15:50:15 nash-laptop NetworkManager[857]: <info> [1533048615.0356] vpn-connection[0x55b3f2d287a0,0217bd2c-3791-4aed-8877-c3b2562aa5f2," - jbotto",0]: Started the VPN service, PID 19470 Jul 31 15:50:15 nash-laptop NetworkManager[857]: <info> [1533048615.0506] vpn-connection[0x55b3f2d287a0,0217bd2c-3791-4aed-8877-c3b2562aa5f2," - jbotto",0]: Saw the service appear; activating connection Jul 31 15:50:15 nash-laptop gnome-shell[2389]: Invalid VPN service type (cannot find authentication binary) Jul 31 15:50:15 nash-laptop gnome-shell[2389]: Invalid VPN service type (cannot find authentication binary) Jul 31 15:50:15 nash-laptop NetworkManager[857]: <error> [1533048615.1203] vpn-connection[0x55b3f2d287a0,0217bd2c-3791-4aed-8877-c3b2562aa5f2," - jbotto",0]: Failed to request VPN secrets #3: No agents were available for this request. Jul 31 15:50:15 nash-laptop NetworkManager[857]: <info> [1533048615.1263] vpn-connection[0x55b3f2d287a0,0217bd2c-3791-4aed-8877-c3b2562aa5f2," - jbotto",0]: VPN plugin: state changed: stopped (6) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1725779 Title: Gnome network manager cannot find authentication binary To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager-pptp/+bug/1725779/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
