Error 720 Ppp Protocols
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IT Pro > Windows 7 Networking Question 1 Sign in to vote I pppoe error 720 manage the network for a small non-profit. The organization officers, and I, are authorized to connect remotely to the error 720 windows 7 pppoe office computer using a PPTP VPN. Until last month I had this all working: the office computer was WinXP Pro, I had another XP computer and a Vista laptop, others had other
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computers including some Win7 release candidates. And everybody could connect. Trouble was, they were all connecting to the same userid, using a shared password; very bad juju. All these systems have now been upgraded to Windows 7, and I can't get the PPTP VPN to work. I want to set it up so everybody who needs to use the VPN has a user account
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with a password on the office computer, and all those user accounts are authorized to use the incoming connection, which I set up according to the instructions shown in various forums I've found. I want everybody to dial into the VPN using their own userids and passwords. The VPN setup is pretty much the same as in XP! I've done this before and got it working. But, using my own account on the office computer as a sample, I keep getting "error 720" when I try to connec, "unable to connect." Can anybody suggest what I may be doing wrong? Also, the default on the outbound VPN connection on my Win7 desktop is to connect using SSTP - I can't use that without reconfiguring my router which is only set up to accept PPTP and L2TP. Where can I find out what ports SSTP uses? I've chosen the PPTP option but it still doesn't connect. (Just to annoy me more, the office computer is on Win7 Release Candidate - don't ask - so I'll have to set it all up again when the upgrade disk comes, probably tomorrow...) Monday, Dece
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Reason 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. The solution to the problem Follow the instructions to fix VPN "Error 720: No PPP Control Protocols Configured": 1 Click ‘Start’ and then click ‘Control Panel’ 2 Double click ‘Network Connections’ icon 3 Right click ‘VPN connection’ and then click ‘Properties’ 4 Click ‘Networking’ tab 5 Ensure RAS Protocol is running 6 If not then click ‘Install’ button and then click ‘Protocol’ 7 Click ‘Add’ button 8 Select tconnection, it went like this: http://serverfault.com/questions/486068/windows-server-vpn-error-720 - Modem would pick up the phone and dial. - Carrier sounds / handshaking would occur. - Username and password were checked and verified. - Then it would disconnect with an error error 720 code of "720" More on the message: Error 720 - the connection attempt failed because your computer and the remote computer could not agree on PPP control protocol. I had tried every fix I could find. Removing the Winsock error 720 vpn and Winsock2 keys, re-installing TCP/IP, and running a series of commands using the "netsh" tool. None of that worked. What seemed to work: "WAN Miniport (IP)" seemed to be messed up some how. It was listed twice in Device Manager. I had to remove the keys for the two entries from the registry, then I could remove the devices from Device Manager. I had to use the "devcon" command to re-install the "WAN Miniport (IP)" device. The command to restore the WAN Miniport (IP) device was: devcon.exe install %windir%\inf\netrasa.inf MS_NdisWanIp You can get DEVCON.EXE (32-bit and 64-bit) from here: http://support.microsoft.com/kb/311272/ You can get more info on this from here: http://www.daniweb.com/forums/thread18016.html Home Log in Copyright © 1999-2016 XdN
Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Server Fault Questions Tags Users Badges Unanswered Ask Question _ Server Fault is a question and answer site for system and network administrators. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top Windows Server VPN: Error 720 up vote 0 down vote favorite I want to created vpn server on Windows Server 2012. First I installed Active Directory domain services, then Remote Access server role. Opened Gettng Started Wizard, entered configure just vpn. Then in Routing and Remote access selected Configure and Enable Routing and Remote Access. There selected custom configuration, vpn. Then created user in active directory and allowed network access permission. After this I tried to connect to vpn from windows 8. I get the following error: Error 720: A connection t the remote computer could not be established. You might need to change the network settings for this connection. What should I do? windows vpn pptp share|improve this question asked Mar 8 '13 at 17:39 Nikita Zernov 11124 add a comment| 2 Answers 2 active oldest votes up vote 1 down vote Consult the list of Windows VPN error codes here. 720 No PPP control protocols configured. Based on the Microsoft support KBs, there seem to be three primary causes. "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." "This can occur if TCP/IP is damaged or is not bound to your dial-up adapter." "If the RAS component (of RRAS) is configured to use DHCP to assign remote TCP/IP client addresses and there is no DHCP server reachable, RRAS is not able to set up a dial-up connection and will return the above error message. " share|improve this answer answered Mar 8 '13 at 18:43 HopelessN00b 44.3k1797166 add a comment| up vote 0 down vote I don't have a Windows Server 2012 box with RRAS in front of me right now so I can't get you exact screenshots or naming, but you do need to configure Connection Policies and Network Policies that define who is allowed to connect and what they can connect to. It is usually part of the Network Policy Server tool for configuration of these policies. share|improve this answer answered Mar 8 '13 at 18:39 Harold Wong 67137 add a comment| Your Answ