Error 721 Win Xp
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Error 721 Directv
(SP3) Question 0 Sign in to vote I have a Windows XP Pro SP3 machine. Just starting today it cannot connect to a VPN server it has always been connecting to. User name and password are fine for I can connect to the same server with another computer with the same user name. Nothing on the server side has been changed. No updates have been made on the client side either. It connects to the server and errors out on verifying user name and password. A reset (power off and on) has been done to modem, router, and computer still with no success. Also no error in eventvwr are coming up during the process of failing. Firewall is also off on both the computer and router. VPN pass through is enabled on the Linksys router. Just for troubleshooting purposes I have enabled DMZ for the IP of this computer so all ports are open. Any other ideas of whats going on? Monday, August 05, 2013 6:58 PM Reply | Quote Answers 0 Sign in to vote This has been solved... I know I have checked the windows firewall. However sure enough it was enabled when I decided to check it again. Marked as answer by Hydrazoic Wednesday, August 14, 2013 6:22 PM Wednesday, August 14, 2013 6:21 PM Reply | Quote All replies 0 Sign in to vote One suggestion: If your VPN is using certificates check to see if they have expired. Good luck! Monday, August 05, 2013 7:36 PM Reply | Quote 0 Sign in to vote No not for the VPN. A
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Protocol (PPTP) client. You may even get an error 721 after making an unsuccessful attempt to establish a dial-up connection after upgrading http://www.tech-faq.com/error-721.html your computer to Microsoft Windows XP from earlier versions. The exact error 721 description may vary from 'Remote PPP peer is not responding' to 'the remote computer is not https://www.youtube.com/watch?v=ENqQoDzqRU0 responding'. Cause of Error 721 Point-to-Point Tunneling Protocol uses Generic Routing Encapsulation (GRE) for tunneled data and the error may occur if the network firewall does not permit the error 721 GRE protocol traffic. The Generic Routing Encapsulation protocol is used along with Point-to-Point Tunneling Protocol to create virtual private networks between the server and the client or between the clients. You may even encounter this error if the modem driver is not compatible with Windows XP. How to fix the Error 721 To resolve this error, you need to error 721 win configure the network firewall so as to permit the GRE protocol 47. Also, you need to make sure that the firewall permits the TCP traffic on port 1723. Both of these conditions are required in order to establish the virtual private network connectivity by using Point-to-Point Tunneling protocol. Installing the latest Windows XP compatible driver for the modem can also fix the problem in some situations. Follow Us! Rate this article: ★ ★ ★ ★ ★ Error 721, 0 / 5 (0 votes) You need to enable JavaScript to vote Mail this article Print this article Last updated 11 March, 2016. Related Posts Resolving ntdll.dll Errors The ntdll.dll file is a Microsoft dynamic link library file that contains the NT kernel ... Cannot Copy and Paste in Windows Copy and paste are Windows commands that allow users to copy content from a source ... Bluescreen 0x0000007b The bluescreen 0x0000007b error is associated with the Microsoft Windows BSOD (Blue Screen of Death). ... rejohn Long Path Tool help me a lot when i have
Du siehst YouTube auf Deutsch. Du kannst diese Einstellung unten ändern. Learn more You're viewing YouTube in German. You can change this preference below. Schließen Ja, ich möchte sie behalten Rückgängig machen Schließen Dieses Video ist nicht verfügbar. WiedergabelisteWarteschlangeWiedergabelisteWarteschlange Alle entfernenBeenden Wird geladen... Wiedergabeliste Warteschlange __count__/__total__ VPN error 721 806.wmv Long Tâm AbonnierenAbonniertAbo beenden115115 Wird geladen... Wird geladen... Wird verarbeitet... Hinzufügen Möchtest du dieses Video später noch einmal ansehen? Wenn du bei YouTube angemeldet bist, kannst du dieses Video zu einer Playlist hinzufügen. Anmelden Teilen Mehr Melden Möchtest du dieses Video melden? Melde dich an, um unangemessene Inhalte zu melden. Anmelden Statistik 1.376 Aufrufe 0 Dieses Video gefällt dir? Melde dich bei YouTube an, damit dein Feedback gezählt wird. Anmelden 1 0 Dieses Video gefällt dir nicht? Melde dich bei YouTube an, damit dein Feedback gezählt wird. Anmelden 1 Wird geladen... Wird geladen... Wird geladen... Die Bewertungsfunktion ist nach Ausleihen des Videos verfügbar. Diese Funktion ist zurzeit nicht verfügbar. Bitte versuche es später erneut. Veröffentlicht am 09.03.2012VPN error 721 806Máy Server cài window 7 ultimate . Đã cấu hình Incomming connection .Máy client (Qua internet) cấu hình VPN (PPTP) .router wifi nết nối internet (PPPoe) qua modem planet (để chế độ britging) Đã nat OK (Check bằng http://www.canyouseeme.org/) các cổng 47 , 1723 ...Tuy nhiên client connect thì toàn báo lỗi 721 (trên xp) và 806(trên Win 7)Trong khi máy trong mạng Lan connet VPN thì vẫn bình thường ....Netstat -n trên client thì thấy kết nối dc tới server qua cổng 1723Netstat -n trên server thì cũng thấy ip từ client tới . Kategorie Wissenschaft & Technik Lizenz Standard-YouTube-Lizenz Mehr anzeigen Weniger anzeigen Wird geladen... Autoplay Wenn Autoplay aktiviert ist, wird die Wiedergabe automatisch mit einem der aktuellen Videovorschläge fortgesetzt. Nächstes Video How To Fix Error 800+789 L2TP &How to Setup VPN Con