Dial Up Modem Error 721
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News Archive • Search • Feedback • Survey • Legal • About Outdated DriversCan cause hardware related Errors. Check your PC Drivers now. Error 721 https://support.microsoft.com/en-us/kb/318009 1. Reboot the machine, verify your Username and Password, and try again. Check for realms, if in NT make sure you have nothing under domain, accept any auth including clear text is checked, and try unchecking Enable PPP LCP extensions. Make sure logon to network isn't checked. Make sure http://www.modemhelp.net/dunerror/error_721.shtml that nothing is typed in the DOMAIN field if this is NT. 2. This is often a POP problem. Try logging onto a different POP. 718 is usually on the ISP's end, but NOT ALWAYS. If there are multiple calls coming into the ISP's callcenter then they could see a problem, but if not, it is probably the user's computer. 3. Nuke the pwl files. 4. Have ISP reset the password. 5. Recreate connectoid. 6. Full uninstall and reinstall of connectoid, network, and DUN/RAS. 7. This can sometimes also be a communications problem caused by heavy line noise or modem problems. Try updating the modem drivers, inits, commas, etc...and have a line noise test performed. This page was last modified on Saturday, 05-Feb-2011 15:11:54 EST. This website is ©1999-Present Bradford Liedel DBA ModemHelp Networks and Web Services. Mason, MI 48854 USA. All rights reserved.
Protocol (PPTP) client. You may even get an error 721 after making an unsuccessful attempt to establish a dial-up connection after upgrading your computer to Microsoft Windows http://www.tech-faq.com/error-721.html XP from earlier versions. The exact error 721 description may vary from http://modemsite.com/56k/duns721.asp 'Remote PPP peer is not responding' to 'the remote computer is not 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 GRE protocol traffic. The Generic Routing Encapsulation protocol is used error 777 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 configure the network firewall so as to permit the GRE protocol 47. Also, you need error id 777 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 How to Solve Page_Fault_In_Nonpaged_Area in Windows A page fault is an error known as the "0x50 Stop Error," which occurs when ... Compile Error in Hidden Module When starting up Microsoft Word or Excel (or other Office products), the "Compile Error in ... How to Flip a Computer Screen Upside Down Windows Hot Keys allow computer users to conduct specific Windows operating system (OS) functions without ... rejohn Long Path Tool help me a lot when i have an issue like file deleting or renaming the file. Also good to use if file name and file extension is too long. fre
then dial back in. If error 721 persists: Try dialing into a different provider or access number if available Check the properties of, and/or create a new Connectoid Re-install dial-up networking (DUNS) - check Windows' networking properties. If you still have difficulty, enable and examine the PPP Log. Back to all DUNS errors Home|Links|Send Feedback|Privacy Policy| Report Broken Link Legal Page|Author's Web Sites | Log In Modemsite.com ©1998-2016 v.Richard Gamberg. All rights reserved.