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To New Topics Error vpn error 718 721: Remote PPP peer or computer is not responding. Resolution: If you have tried many thing https://support.microsoft.com/en-us/kb/888201 other people suggest like rebooting, reloading hardware and re-installing the VPN or dial in connection, you still get the same problem. I will suggest to check the router settings and make sure TCP Port http://www.howtonetworking.com/vpnissues/error721.htm 1723, IP Protocol 47 (GRE) are opened. Also make sure that the router has the PPTP enabled and not firewall block the traffic. On the RAS server, check the DHCP settings. Post your questions, comments, feedbacks and suggestions Related Topics VPN error code VPN Browsing Issues VPN Logon Issues VPN Name Resolution VPN as Router VPN Routing Issues VPN TCP/IP Settings Ports for VPN VPN/PPTP VPN Slow Issues Previous Page Next Page This web is provided "AS IS" with no warranties. Copyright © 2002-2015 ChicagoTech.net, All rights reserved. Unauthorized reproduction forbidden.
Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and http://serverfault.com/questions/110009/vpn-returning-721-error-despite-successful-logins-to-from-other-locations policies of this site About Us Learn more about Stack Overflow the company http://www.tomshardware.com/forum/144562-45-worked-suddenly-anymore-error 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 vpn error ask a question Anybody can answer The best answers are voted up and rise to the top VPN returning 721 error despite successful logins to/from other locations up vote 2 down vote favorite I am trying to connect a couple of Win XP desktops at a remote site, to the server (SBS 2008) of a central site, using a PPTP based VPN. When vpn error 721 I try to connect, I get the error "Disconnected. Error 721: The remote computer did not respond." Here is the strange part: The remote PCs can successfully dial out to another server using VPN. Similarly, I can successfully dial into the central site from my work PC. The remote computers are dialling out through a Netgear DG834Gv4 (latest firmware), and the server is behind a Draytek 2820. I have also tried using the Draytek as the VPN endpoint (instead of it doing pass-through), which again worked successfully from my work PC, but gave the same result from the remote site. I can ping the central site from the remote one, no problem. I can also telnet into port 1723 from the remote site. The central server is a domain controller with AD. At some point in the past, the remote PCs were successfully logged onto the domain, so now log into that (but obviously can't connect). The remote PCs are on a network which contains another SBS 2008 domain/domain controller/AD/server. However, the remote PCs are using the DG834 as their DNS/DHCP/etc. I and my coll
tech Search Tags: Builds Cases Cooling CPUs Graphics Laptops Memory Monitors Motherboards more Peripherals PSUs Storage VR ForumWindows XP VPN Worked, Suddenly It does not anymore. Get Error 721 AnonymousAug 13, 2004, 1:11 AM Archived from groups: microsoft.public.windowsxp.work_remotely (More info?)Hello everyone, My WIN XP PRO VPN connection worked perfectly for almost a month andnow it decided not to work. It's the darnedest thing and I hope youall can help. I click on the VPN connection and it finds the address,but then it gets stuck on the "Verify username and password" afterabout 20 seconds I get an error 721 pop up. This connection workedgreat just last week and now it does not. I have deleted it, restartedthe host computer, and created the connection again, but nothinghappened I would get the same error. I have ports 1723 and 47 open inmy router. I have no idea why it does not work now. I would appreciateany help at all as I am sure this is a simple matter to fix as all ofmy problems are. Thank you in advance. 3 answers Last reply Aug 13, 2004 More about worked suddenly anymore error AnonymousAug 13, 2004, 3:51 AM Archived from groups: microsoft.public.windowsxp.work_remotely (More info?)You are the third person this past week who has had this issue...Hmmm...What router do you have? If it is a MS router, did you let itautoupdate itself? Also, have you applied any new security hotfixeslately?Jeffrey Randow (Windows Networking & Smart Display MVP)jeffreyr-support@remotenetworktechnology.comPlease post all responses to the newsgroups for the benefitof all USENET users. Messages sent via email may or may notbe answered depending on time availability....Remote Networking Technology Support Site -http://www.remotenetworktechnology.comWindows XP Expert Zone - http://www.microsoft.com/windowsxp/expertzoneOn 12 Aug 2004 18:11:33 -0700, aspireasset@hotmail.com (Alan S.)wrote:>Hello everyone,> My WIN XP PRO VPN connection worked perfectly for almost a month and>now it decided not to work. It's the darnedest thing and I hope you>all can help. I click on the VPN connection and i