If you cannot connect to L2TP VPN, check this post. L2TP VPN or Layer 2 Tunneling Protocol, creates a secure connection ...

We have a nice little L2TP IPSec VPN set up here on a 2k3 server that works fantastically on our LAN. However, we'd like some of our clients to be able to connect through their internet connection ...

VPN L2TP/IPSEC Pass Through with ASA 8.0 (3) mortem Dec 18, 2008 Jump to latest Follow Reply ...

Microsoft has provided a free L2TP/IPsec VPN client for Windows 98, ME and NT since 2002, and ships an L2TP/IPsec VPN client with Windows XP, 2000, 2003 and Vista.

VPN protocol: Each provider may use a different security protocol. Beyond their capabilities, these are usually transparent to the end user. The most common VPN protocols are OpenVPN, L2TP/IPsec, ...