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Step 2: Implement DHCP services

Step-by-Step Guide: How to set up a VPN, part 2

  1. Open the server's Control Panel and select Add or Remove Programs.
  2. When the Add or Remove Programs dialog box appears, click the Add/Remove Windows Components button.
  3. Select the Networking Services option and then click Details.
  4. Now select Dynamic Host Configuration Protocol (DHCP) from the list of network services, then click OK, followed by Next.

    Windows will now install the DHCP services. When the installation completes, you will have to create an address scope and authorize the DHCP server to function on your network.

  5. To do so, select the DHCP option from the Administrative Tools menu to open the DHCP console.
  6. Right click on your server within the DHCP console and select Authorize.
  7. After you authorize the DHCP server, right click on the server's listing within the console again and select New Scope. This will launch the New Scope Wizard.
  8. Click Next to bypass the wizard's welcome screen.
  9. Enter a name for the scope that you are creating then click Next. (You can call it anything you want, but for the purposes of this tutorial, I will be referring to the scope as 'Corporate Network.')
  10. You will now be asked to enter an IP address range. Just specify a start and end address that is consistent with the IP addressing scheme you are already using, but that does not overlap any existing addresses. The Length and Subnet Mask fields will be filled in for you automatically.
  11. The next three screens contain settings that you don't have to worry about. Just click Next three times until you reach the Router (Default Gateway) screen.
  12. Enter the IP address of your network's default gateway, click Add, then Next.
  13. Type in the name of your domain and the IP address of your DHCP server and click Next.
  14. Click Next again to skip the WINS configuration screen.
  15. Finally, verify that the Yes, I Want To Activate The Scope Now option is selected then click Next and Finish.


 Home: Introduction
 Step 1: Setup requirements
 Step 2: Implement DHCP services
 Step 3: Create an enterprise certificate authority
 Step 4: Install IAS
 Step 5: Configure IAS
 Step 6: Create a remote access policy
 Step 7: Configure the VPN server
 Step 8: Associate the VPN server with the DHCP server
 Step 9: Configure your remote clients
 Step 10: Test the client connection
 Step 11: Alternate VPN configuration options

Brien M. Posey, MCSE, is a Microsoft MVP for his work with Windows 2000 Server, Exchange Server and IIS. He has served as CIO for a nationwide chain of hospitals and was once in charge of IT security for Fort Knox. For more information visit

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