L2TP won't connect using Windows 10 client

Here is a guide that will walk you through the L2TP setup of VPN on Windows 10

https://www.magnumvpn.com/setup-vpn-windows-10-l2tp-ipsec.html

You might be facing a local windows firewall issue, in which case you need to open the ports shown in this guide

www.magnumvpn.com/setup-windows-10-firewall-l2tp.html

Here is a guide that will walk you through the L2TP setup of VPN on Windows 10

https://www.magnumvpn.com/setup-vpn-windows-10-l2tp-ipsec.html

You might be facing a local windows firewall issue, in which case you need to open the ports shown in this guide

www.magnumvpn.com/setup-windows-10-firewall-l2tp.html