Network Address Translation

Before a Windows Server 2008 computer can function as a router, the Routing and Remote Access service must be enabled. This is done through the Server Manager console.

Use the buttons below to navigate through the lesson

Select Roles, then Add Roles. Click Next to continue. Select Network Policy and Access Services then Click Next to continue. Click Next to continue.

Select Routing and Remote Access Services the Routing and remote access options will be automatically selected. Click Next to continue. Click Close to finish. Expand Network Policy and Access Services. Routing and Remote Access is installed but not enabled.

To enable Routing and Remote Access. Right click Routing and Remote Access. Click Configure and Enable Routing and Remote Access. Click Next.

Select Network Address Translation (NAT). Click Next. Select the Internet connected interface. click Next. Click Finish to close the wizard. Installation will complete and start the service.

Green arrow indicates the service is started.

Expand Routing and Remote Access. Right Click NAT,  select Properties.

General
From this page, you can configure the level of logging that will take place.

Translation
From this page, you can configure how long the mappings will remain available once they are created (i.e. the session length).

Address Assignment
If you do not have a DHCP server on the network, and you would like NAT to function as the DHCP server, you can enable it and assign the default address pool here.

Name Resolution
From this page, you can choose to have NAT run a DNS cache if you have no DNS server present on the network.

Click OK to close the NAT Properties Box.