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Error 720 - No PPP Control Protocols Configured - Case 1 Symptom: When attempting to establish a VPN connection to Windows RRAS, you may receive the following error message: Error 720: No PPP control protocols configured. Cause: This behavior can occur if your computer and the RAS server do not have a protocol in common, or if RAS is not configured correctly. Resolution: Assuming the RRAS is using, you need to make the Windows client is running PPTP too. To do this follow these steps: a. Click Start, click Control Panel, and then double-click Network Connections. b. Under Virtual Private Network, right-click the VPN connection, and then click Properties. c. In the VPN Connection Properties dialog box, click the Networking tab, and make sure that you have a protocol that the RAS server is running. If you do not have a protocol that the RAS server is running, add the needed protocol: a. Click Install, click Protocol, and then click Add. b. Click the protocol that you need to install, and then click OK. c. Click Close in the VPN Connection Properties dialog box. Related Topics
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