Configuring Windows Server 2012 R2 as a Router

This is a guide to setting up Windows Server 2012 R2 routing/NAT functionality. below step to Configuring Windows Server 2012 R2 as a Router.

This feature is a part of “Remote Access” and allows for connecting 2 networks together, allowing a Windows machine with at least 2 NICs on 2 separate networks to handle the routing between them.
To install this feature complete the steps below.


  • Windows 2012 R2
  • 2 Physical or virtual NICs
  • Static IP’s on each NIC, 1 on each separate network

Setting up Windows Server 2012 R2 routing/NAT functionality

  1. To start, from Server Manager click Manage > Add Roles and Features.
  2. On the Before You Begin page, click Next.
  3. Select Role-based or feature-based installation and click Next.
  4. On Server Selection select the server you want to install the feature on and click Next.
  5. In the list of Server Roles, select Remote Access and click Next.
  6. On the Features page click Next.
  7. Click Next on Remote Access.
  8. On Role Services click the Routing checkbox.
  9. Click Add Features on the pop-up dialogue.
  10. Click Next.
  11. Click Next on the Web Server Role (IIS) page.
  12. On this Role Services page, leave the defaults and click Next.
  13. Finally on the Confirmation screen click Install.
  14. The Feature has now been added to Windows. A reboot is not necessary for this process so we will now proceed to the next part of the configuration.
  15. From Administrative Tools look for Routing and Remote Access. Open the console and you will see a red down arrow over the server name.
  16. Right-Click the server name and click Configure and Enable Routing and Remote Access.
  17. The Routing and Remote Access Server Setup Wizard appears.
  18. Click Next. On the Configuration screen select Network Address Translation (NAT)
  19. Click Next.
  20. Here you will select your network interface that is connected to the external network or internet.
  21. Click Next.
  22. Next you will need to select to have RRAS provide DHCP and DNS forwarding or otherwise select that you will set up DHCP and DNS on your network later, if desired.
  23. In our configuration we will choose the second option as under most circumstances you will set up DNS and DHCP separately from RRAS
  24. Click Next.
  25. Click Finish.
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Windows is now configured as a router with a private network and an external network connected

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