RAS Client Configuration
When configuring the RAS client, you must create a RAS phone book entry on the Microsoft Exchange Server computer and configure that entry to use only TCP/IP.
Complete the following steps to create a RAS phone book entry.
- From the Start menu, choose Programs, and then choose Accessories.
 
- Choose Dial-Up Networking.
 
- Create a phone book entry by choosing New, and then following the instructions in the wizard.
 
- Enter a description and the phone number of the RAS server.
 
- With the phone book entry open, choose More.
 
- From the list, select Edit entry and modem properties.
 
- Select the Server tab.
 
- Under Network protocols, select TCP/IP. Make sure that no other protocol is selected.