Microsoft KB Archive/312840

= Error Message: Error 720: No PPP Control Protocols Configured =

Article ID: 312840

Article Last Modified on 1/31/2007

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APPLIES TO


 * Microsoft Windows 98 Second Edition
 * Microsoft Windows 98 Standard Edition

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This article was previously published under Q312840



SYMPTOMS
When you try to connect to the Internet with a dial-up connection, you may receive one of the following error messages:


 * Error 720: No PPP Control Protocols Configured
 * Error 720: Dial-Up networking could not negotiate a compatible set of network protocols you specified in Server Type settings. Check your network configuration in network control panel and try the connection again



CAUSE
This can occur if TCP/IP is damaged or is not bound to your dial-up adapter.



How to Resolve Damaged TCP/IP

 * 1) Click Start, point to Settings, click Control Panel, and then double-click Network.
 * 2) Click TCP/IP that is bound to the dial-up adapter, and then click Remove.
 * 3) This removes the TCP/IP protocol and the Client for Microsoft Networks (if this feature has been installed). Click OK.
 * 4) Restart your computer.
 * 5) Click Start, point to Settings, click Control Panel, and then double-click Network.
 * 6) Click Add, and then double-click Protocols.
 * 7) In the Manufacturers box, click Microsoft, and then double-click TCP/IP in the Network Protocols box.
 * 8) Click OK, and then restart your computer.

How to Resolve Missing TCP/IP

 * 1) Click Start, point to Settings, click Control Panel, and then double-click Network.
 * 2) Click Add, and then double-click Protocols.
 * 3) In the Manufacturers box, click Microsoft, and then double-click TCP/IP in the Network Protocols box.
 * 4) Click OK, and then restart your computer.



MORE INFORMATION
For additional information about related topics, click the article numbers below to view the articles in the Microsoft Knowledge Base:

163111 Remote Access Service (RAS) Error Code List

232511 Client Dialup, Authentication, Browsing Using TCP/IP, IPX/SPX

Keywords: kbenv kberrmsg kbnetwork kbprb KB312840

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