Article ID: 324915
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You can use the Microsoft L2TP/IPSec VPN client to make connections to a Microsoft Windows 2000 or Windows 2000-compatible VPN server from a computer that runs any of the following operating systems:
NOTE: L2TP/IPSec support is already built into Windows 2000 and Windows XP.
Installation and RemovalTo install the L2TP/IPSec VPN client, copy the installer program (Msl2tp.exe) to your computer, and then run it. The installer checks your computer and installs the L2TP/IPSec client. It also installs a configuration utility and a help file. To access the utility and the help file, click Start, point to Programs, and then click Microsoft IPSec VPN.
To remove the L2TP/IPSec VPN client and its associated configuration utility and help file, use the Add/Remove Programs utility in Control Panel.
Upgrading to Windows 2000 or Windows XPThe L2TP/IPSec client is built into Windows 2000 and Windows XP. Before you upgrade to Windows 2000 or Windows XP, remove the Microsoft L2TP/IPSec VPN client from Windows 98, Windows Millennium Edition or Windows NT 4.0 Workstation so that it does not interfere with the built-in VPN client.
For additional information, click the article numbers below to view the articles in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/325158/EN-US/ )Default Encryption Settings for the Microsoft L2TP/IPSec Virtual Private Network Client
(http://support.microsoft.com/kb/325032/EN-US/ )Using the Microsoft L2TP/IPSec VPN Client with Windows 98, Windows Millennium Edition, and Windows NT 4.0
(http://support.microsoft.com/kb/325035/EN-US/ )Limitations and Compatibility Issues of Microsoft L2TP/IPSec VPN
(http://support.microsoft.com/kb/325034/EN-US/ )How to Troubleshoot a Microsoft L2TP/IPSec Virtual Private Network Client Connection