Duns Error 720 Phonebook
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Vpn Error 720 Wan Miniport
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Vpn Error 720 A Connection To The Remote Computer Cannot Be Established
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not configured your Dial-up Networking settings to use a protocol supported by the ISP or system you are calling. Check the Server Types tab of your Dial-up connectoid. Most vpn error 720 registering your computer on the network ISP's use TCP/IP protocol, and no others should be checked. There is a screenshot vpn error 720 a connection could not be established of a Windows 95 connectoid's Server Tab here. Also check the Dial-up Server selection. For most ISP's this will be PPP,
Error 720 Vpn Windows 8
although some may support SLIP or CSLIP. If you have selected TCP/IP as the protocol, and it is not supported by the system you are calling, you may get this error. (For example, a https://support.microsoft.com/en-us/kb/824864 Remote Access Server set up for NetBEUI.) Solution: Configure the Server Types of the DUNS connectoid to match the protocol installed on the remote server. If you are connecting to a server that requires 128-bit encryption and your system doesn't have 128-bit encryption installed, you may get this error. This Microsoft page will detect and recommend 128-bit encryption upgrade. Also see: MS KB Article: Installing RRAS disables 128-bit encryption. http://www.modemsite.com/56k/duns720.asp The installation of TCP/IP and/or dial-up networking may be damaged. Check ControlPanel->Network for TCP/IP assigned to (or bound to) the Dial-up Adapter. You can Remove, then Re-install the TCP/IP protocol (except with newer versions of Windows - see next paragraph). If you have a LAN card in your machine and access the Internet via a modem, unless you use TCP/IP on your LAN, TCP/IP should be assigned (bound) to only the Dial-up Adapter. With Windows XP, you cannot re-install TCP/IP, but you can reset it with the following DOS command: Click Start, then Run..., and put the following in the Open text box (or enter the following from a DOS command prompt which you can get by Start->Run-> cmd) netsh int ip reset resetlog.txt Windows NT: If you have configured RAS to only receive calls, you may receive this error. Go to the Remote Access Service tab on Services from ControlPanel->Network, and configure RAS for dial-out only, or dial-out and receive calls. See this MS KB Article. Windows NT & 2000: This MS KB Article indicates the error (as well as error 611) may have several different causes, including the NETBIOS interface not being installed, or NETBIOS binding disabled. Back to all DUNS errors Home|Links|Send Feedb
invalid. 602 The port is already open. 603 Caller's buffer is too small. 604 Wrong information specified. 605 Cannot set port information. 606 The port is not connected. 607 The event is invalid. 608 The device does not exist. 609 The http://www.nthelp.com/DUNerrors.htm device type does not exist. 610 The buffer is invalid. 611 The route is not available. 612 The route is not allocated. 613 Invalid compression specified. 614 Out of buffers. 615 The port was not found. 616 http://superuser.com/questions/525602/all-created-vpns-result-in-error-720 An asynchronous request is pending. 617 The port or device is already disconnecting. 618 The port is not open. 619 The port is disconnected. 620 There are no endpoints. 621 Cannot open the phone book file. 622 Cannot error 720 load the phone book file. 623 Cannot find the phone book entry. 624 Cannot write the phone book file. 625 Invalid information found in the phone book. 626 Cannot load a string. 627 Cannot find key. 628 The port was disconnected. 629 The port was disconnected by the remote machine. 630 The port was disconnected due to hardware failure. 631 The port was disconnected by the user. 632 The structure size is incorrect. 633 The port vpn error 720 is already in use or is not configured for Remote Access dialout. 634 Cannot register your computer on the remote network. 635 Unknown error. 636 The wrong device is attached to the port. 637 The string could not be converted. 638 The request has timed out. 639 No asynchronous net available. 640 A NetBIOS error has occurred. 641 The server cannot allocate NetBIOS resources needed to support the client. 642 One of your NetBIOS names is already registered on the remote network. 643 A network adapter at the server failed. 644 You will not receive network message popups. 645 Internal authentication error. 646 The account is not permitted to log on at this time of day. 647 The account is disabled. 648 The password has expired. 649 The account does not have Remote Access permission. 650 The Remote Access server is not responding. 651 Your modem (or other connecting device) has reported an error. 652 Unrecognized response from the device. 653 A macro required by the device was not found in the device .INF file section. 654 A command or response in the device .INF file section refers to an undefined macro 655 The macro was not found in the device .INF file section. 656 The macro in the device .INF file section contains an undefined macro 657 The device .INF file could not
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 Super User Questions Tags Users Badges Unanswered Ask Question _ Super User is a question and answer site for computer enthusiasts and power users. 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 All created VPNs result in Error 720 up vote 16 down vote favorite 3 I have a few different VPNs I need to connect to. I'm using windows 8 and standard ptpp VPN. Every VPN I have created though results in the same error: Error 720: A connection to the remote computer could not be established You might need to change the network settings for this connection The VPN works in Windows 7 and XP. I'm not sure if this has something to do with my new laptop or if its something with Windows 8 itself. Any help would be greatly appreciated and if there is any extra info I can provide please let me know. Edit: I've tried with virus scanner turned off and windows firewall turned off as well and I still receive the same error message. vpn windows-8 share|improve this question edited Jul 3 '13 at 13:08 nixda 15.9k65094 asked Dec 29 '12 at 0:22 campo 191116 migrated from serverfault.com Dec 29 '12 at 11:37 This question came from our site for system and network administrators. Needs more details. A lot more details. And may be more suitable for SuperUser anyhow... doesn't seem like it's a professional admin problem, at least as described. –HopelessN00b Dec 29 '12 at 0:40 thanks HopelssN00b, I'm not sure what info to provide that will be most helpful, if you let me