Unable to load VPN connection editor in Ubuntu 14.04 LTS

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.

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.

1

6 Answers

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.

1

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

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

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").

3. 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.

1

Try this:

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

3

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?.

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

sudo apt install network-manager-openconnect-gnome

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