Tip T2903 - PPP is not used. Currently PPP is the preferred framing protocol. UNIX machines use SLIP, Netware uses NRN, etc. Make sure that you need to use other protocol instead of PPP - if not switch to PPP.
Fix - Fix - Go to My Computer\Dial-Up Networking, right-click the connection and choose Properties\Server Types and select PPP from the combo-box.
For more information, please see the (FAQ).