I have a remote VPN server running which I want to connect to. On my android phone it works fine on both mobile network and my home wifi network. However, on my windows machine I can't get it to work whatsoever. There is no useful error information other than the one below. In other words, it has something to do with the way Windows is trying to connect and I have no clue where to start debugging.
My config looks like this
I am using a pre-shared key which I have entered in the advanced settings. My firewall is off.