Click on Start, go to Administrative Tools, click on Routing and Remote Access
After the console loads, the left pane of the console will have your local server’s name.
A green arrow indicates the services for RRS is enabled. A red arrow indicates the service is disabled.
Right click the server’s name and click on Configure and Enable Routing and Remote Access to start the setup wizard. Click next once the wizard appears.
Click Remote Access (dial up or VPN will appear) to permit remote computers to dial in or connect to the server.
Next click VPN for virtual private access.
The VPN Connection page will show the interface. Click the network interface that is connected to the Internet and click on next.
You should have a DHCP server on your network that assigns IP address to clients that dial in to the VPN server. Select Automatically and click next. You can specify a range of IP addresses to restrict VPN usage.
You should elect to keep the default settings of No, use Routing and Remote Access to authenticate connection request and click next.
Click Finish. This should enable the Routing and Remote Access service.