To install and enable a VPN server, follow these steps:

1. On the Microsoft Windows 2000 Professional (VPN computer,) confirm that both the connection to the Internet and the connection to your local area network (LAN) are correctly configured.
2. Click Start, Programs, point to, Administrative Tools, and then click Routing and Remote Access.
3. Click the server name in the tree, and click Configure and Enable Routing and Remote Access on the Action menu, and then click Next.
4. In the Common Configurations dialog box, click Virtual private network (VPN server), and then click Next.
5. In the Remote Client Protocols dialog box, confirm that TCP/IP is included in the list, click Yes, all of the available protocols are on this list, and then click Next.
6. In the Internet Connection dialog box, select the Internet connection that will connect to the Internet, and then click Next.
7. In the IP Address Assignment dialog box, select Automatically in order to use the DHCP server on your subnet to assign IP addresses to dialup clients and to the server.
8. In the Managing Multiple Remote Access Servers dialog box, confirm that the No, I don´t want to set up this server to use RADIUS now checkbox is selected.
9. Click Next, and then click Finish.
10. Right click the Ports node, and then click Properties.
11. In the Ports Properties dialog box, click the WAN Miniport (PPTP) device, and then click Configure.
12. In the Configure Device - WAN Miniport (PPTP) dialog box, do one of the following:
    • If you do not want to support direct user dialup VPN to modems installed on the server, click to clear the Demand-Dial Routing Connections (Inbound and Outbound) check box.
    • If you do want to support direct user dialup VPN to modems installed on the server, click to select the Demand-Dial Routing Connections (Inbound and Outbound) check box.
13. Type the maximum number of simultaneous PPTP connections that you want to allow in the Maximum Ports text box. (This may depend on the number of available IP addresses.
14. Repeat steps 11 through 13 for the L2TP device, and then click OK.

To set up a connection to a VPN using W2K:

1. On the client computer, confirm that the connection to the Internet is correctly configured.
2. Click Start, point to Settings, and then click Network And Dial-Up Connections.
3. Double-click Make New Connection.
4. Click Next, and then click Connect To A Private Network Through The Internet, and then click Next.
5. Do one of the following:
   • If you use a dial-up connection to connect to the Internet, click Automatically Dial This Initial Connection and then select your dial-up Internet connection from the list.
   • If you use a full-time connection (such as a cable modem), click Do Not Dial The Initial Connection.
6. Click Next.
7. Type the host name (for example, Microsoft.com) or the IP address (for example, 123.123.123.123) of the computer to which you want to connect, and then click Next.
8. Click to select For All Users if you want the connection to be available to anyone who logs on to the computer, or click to select Only For Myself to make it available only when you log onto the computer, and then click Next.
9. Type a descriptive name for the connection, and then click Finish.

   NOTE: This option is available only if you are logged on as a member of the Administrators group.

10. Click Start, point to Settings, and then click Network And Dial-Up Connections.
11. Double-click the new connection.
12. Click Properties to further configure options for the connection:
    • If you are connecting to a domain, click the Options tab, and then click to select the Include Windows logon domain check box to specify whether to request Windows 2000 logon domain information before attempting to connect.
    • If you want the connection to be redialed if the line is dropped, click the Options tab, and then click to select the Redial if line is dropped check box.

To use the connection:

1. Click Start, point to Settings, and then click Network And Dial-Up Connections.
2. Double-click the new connection.
3. If you do not currently have a connection to the Internet, Windows offers to connect to the Internet.
4. Once the connection to the Internet is made, the VPN server prompts your for your user name and password. Enter your user name and password, click Connect, and your network resources should be available to you in the same way they are when you connect directly to the network.

   NOTE: To disconnect from the VPN, right-click the connection´s icon, and then click Disconnect.

To set up a connection to a VPN using XP:

1. On the computer that runs Windows XP, confirm that the connection to the Internet is correctly configured.
2. Click the Start button, and then click Control Panel.
3. In Control Panel, double-click Network Connections.
4. Click Create a new connection.
5. In the Network Connection Wizard, click Next.
6. Click Connect to the network at my workplace, and then click Next.
7. Click Virtual Private Network connection, and then click Next.
8. If you are prompted, do one of the following:
   • If you use a dial-up connection to connect to the Internet, click Automatically dial this initial connection, and then, in the list, click your dial-up Internet connection.
   • If you use a full-time connection (such as a cable modem), click Do not dial the initial connection.
9. Click Next.
10. Type the name of your company or a descriptive name for the connection, and then click Next.
11. Type the host name (for example, Microsoft.com) or the Internet Protocol (IP) address (for example, 10.123.123.123) of the computer that you want to connect to, and then click Next.
12. Click Anyone´s use if you want the connection to be available to anyone who logs on to the computer, or click My use only to make it available only when you log on to the computer, and then click Next.
13. Click to select the Add a shortcut to this connection to my desktop check box if you want to create a shortcut on the desktop, and then click Finish.
14. If you are prompted to connect, click No.
15. In the Network Connections window, right-click the new connection.
16. Click Properties, and then configure further options for the connection:
    • If you are connecting to a domain, click the Options tab, and then click to select the Include Windows logon domain check box to specify whether to request Windows 2000 logon domain information before attempting to connect.
    • If you want the computer to redial the connection if the line is dropped, click the Options tab, and then select the Redial if line is dropped check box.

To use the connection:

1. Use one of the following methods:
   • Click the Start button, point to Connect To, and then click the new connection.
   • If you added a connection shortcut to the desktop, double-click the shortcut on the desktop.
2. If you are not currently connected to the Internet, Windows offers to connect to the Internet.
3. After your computer connects to the Internet, the VPN server prompts you for your user name and password. Type your user name and password, and then click Connect. Your network resources should be available to you in the same way that they are when you connect directly to the network.
4. To disconnect from the VPN, right-click the icon for the connection, and then click Disconnect.