Configure the DirectAccess Server as the Network Location Server

http://technet.microsoft.com/en-us/library/ee649160(WS.10).aspx

Configure the DirectAccess Server as the Network Location Server

To install the IIS server role

1. On the DirectAccess server, click Start, click Run, type servermanager.msc, and then press ENTER.
2. In the console tree, click Roles. In the details pane, click Add Roles, and then click Next.
3. On the Select Server Roles page, click Web Server (IIS), and then click Next twice.
4. On the Select Role Services page, in Role services, under Security, click IP and Domain Restrictions, and then click Next.
5. Click Install.