... 4.0, Windows Millennium Edition, or Windows 98 L2TP/IPSec Windows Server 2003, Windows XP, Windows 2000, and Windows NT 4.0 Workstation, Windows Millennium Edition, and Windows 98 with Microsoft ... computers running Windows Server 2003, Windows XP, Windows 2000, Windows NT 4.0 with Service Pack 4 and later, Windows Millennium Edition, and Windows 98. VPN Protocols Windows Server 2003 includes ... remote access server (the VPN server) and, for mutual authentication, the server authenticates itself to the client. Computers running Windows Server 2003, Windows XP, Windows 2000, Windows NT version...