I want to configure a VPN connection, so choose VPN Connections->Configure VPN…, and I get to the Network Connections dialog. But the Add button is disabled. How do I enable it?
Debian – Add VPN button is disabled in Debian Wheezy/LXDE
debianlxdevpn
Best Answer
This sounds like your issue. I found it in this articled titled: Gnome Network Manager VPN Tab Disabled ( Greyed out ).
excerpt from the article