Error 720: ERROR_PPP_NO_PROTOCOLS_CONFIGURED occurs on average when the WAN Miniport (IP) adapter is not correctly associated on your computer. This is true even though the WAN (IP) miniport card may seem healthy when viewing the NIC host through Device Manager.
If you are trying to connect to the Internet using a real dial-up connection, you may receive one of the following error messages:
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Error 720: PPP Control Protocol – No Configured
Error 720: Dial-Up Networking cannot negotiate the compatible set of network methods you specified in the server type settings. Check the network configuration on the management network and try to connect again
How do you fix error 720 a connection to the remote computer could not be established?
For more up-to-date information on related topics, click the following article number on this page to view Microsoft Knowledge Base articles:
VPN error code 720 – Error r Registration of your Computer – Case 3
Connect to remote The computer may not be able to connect
Bob Lin, MS-MVP, MCSE and CNE How to set up Windows, networks, VPN and remote access
