If you have DUN phonebook entries and have enabled Connect to the Internet via dial-up, Microsoft Dial-up Networking is enabled by default. To link a VPN Client connection entry to a Dial-Up Networking phonebook entry, use the following procedure:
Click Microsoft Dial-up Networking (if it is not already enabled).
To link your VPN Client connection entry to a DUN entry, click the down arrow next to the Phonebook entry field and choose an entry from the menu.
The VPN Client then uses this DUN entry to automatically dial into the Microsoft network before making the VPN connection to the private network.
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