43

Some time ago I created a VPN connection using Ubuntus own Network Manager, which worked fine! Now, a few months later, I want to go in and edit the connections details, but instead I get this error: unable to load VPN connection editor.

enter image description here

Any idea how this could be solved?

[UPDATE] Starting the connection manager manually with nm-connection-editor lets you edit the settings, but that still leaves the original error.

  • 2
    Do not go on Network setting in NM, go on Network Connections. Find connection in list, select, go right on edit – 2707974 Jan 29 '15 at 11:56
67

Run

sudo apt-get install openvpn network-manager-openvpn network-manager-openvpn-gnome

This will prompt for both your password, and a Y/n answer, please provide it with your password, and Y.

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  • 10
    Yes, my issue was that I had only network-manager-openvpn, but not network-manager-openvpn-gnome installed. – Mitar Feb 3 '18 at 3:13
11

If you use a vpnc connection, like with FritzBox routers, run

sudo apt install network-manager-vpnc network-manager-vpnc-gnome
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4

Try this:

sudo apt-get install network-manager-pptp-gnome
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  • 6
    can you explain why this could help? – Zanna Apr 26 '17 at 6:40
  • 1
    It is useful when we use a Point-to-Point Tunneling Protocol and not OpenVPN. ;) – J-Jamet Sep 28 '18 at 7:56
  • Exactly what I needed. I knew what was going on with the pptp package, but thanks for explaining it as well anyway. – Vitor Hugo Schwaab Mar 15 '19 at 16:10
3

The answers are quite specific. What helped me was indeed:

  1. Running nm-connection-editor from the terminal

  2. The following warning gives you the hint to the missing dependency

Could not load editor VPN plugin for “org.freedesktop.NetworkManager.XYZ” (missing plugin file "/usr/lib/x86_64-linux-gnu/NetworkManager/libnm-vpn-plugin-XYZ-editor.so").

  1. Install the missing dependency via sudo apt-get install network-manager-XYZ-gnome, i.e. using one of
  • network-manager-l2tp-gnome
  • network-manager-openconnect-gnome
  • network-manager-pptp-gnome
  • network-manager-vpnc-gnome
  • network-manager-openvpn-gnome
  • ...

With the missing /usr/lib/x86_64-linux-gnu/NetworkManager/libnm-vpn-plugin-XYZ-editor.so now installed on your system, the network editor will continue working like a charm.

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  • the other answers were helpful, but this was the actual key for me too... nothing else indicated i needed "network-manager-openconnect-gnome". Once installed, it brought up the interface I needed for cisco anyconnect. The problem was I did not realize that I didn't have the proper GUI, because the menu option was there and opened the wrong one. Just a note: I had to cross reference (through googling) the error message with packages.ubuntu.com/focal/all/network-manager-openconnect-gnome/… to understand your comment... but now i see what was ACTUALLY missing. Thanks – WU-TANG Aug 14 at 16:43
2

I have had a similar issue on Ubuntu 18.04 which persisted after installing all the dependencies listed in other answers.

Starting nm-connection-editor from terminal logged the warning below

** (nm-connection-editor:8495): WARNING **: 19:18:23.811: Could not load editor VPN plugin for “org.freedesktop.NetworkManager.l2tp” (missing plugin file "/usr/lib/x86_64-linux-gnu/NetworkManager/libnm-vpn-plugin-l2tp-editor.so").

and the answer to that was

sudo apt install network-manager-l2tp-gnome
sudo service network-manager restart

as given in How do I connect to L2TP over IPsec using Network Manager?.

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0

On Ubuntu 20.04 it was network-manager-openconnect-gnome:

sudo apt install network-manager-openconnect-gnome

https://bugs.launchpad.net/ubuntu/+source/network-manager-openconnect/+bug/1872074

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