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Error 721 Dun

Solution: 1. copying tcp/ip files from computers that work... Error #793 Error Message: The L2TP connection attempt failed because an error occurred while negotiating security. Try logging onto a different POP. 718 is usually on the ISP's end, but NOT ALWAYS.

Make sure that nothing is typed in the DOMAIN field if this is NT. 2. This is typically caused by a mismatch between the server's configuration and your connection settings. Try to install your modem drivers again Error #630 Error Message: The port was disconnected due to hardware failure. Search Free Sign Up Login Home Forum How To Download News Encyclopedia High-Tech Health Free Sign Up Language English Español Deutsch Français Italiano Português Nederlands Polski हिंदी Bahasa Indonesia Login Subscribe

Does that help? 0 #4 Gembob9 Posted 21 August 2007 - 05:36 AM Gembob9 Member Topic Starter Member 10 posts I had another look and it's definitely an Intel 536 Try to use an alternate modem 4. Verify the connection and Network settings 3.

If it's not the case, set up the correct drivers 3. Sign In Use Facebook Use Twitter Use Windows Live Register now! Error #792 Error Message: The L2TP connection attempt failed because security negotiation timed out. Else try to reinstall your modem drivers Error #636 Error Message: The wrong device is attached to the port Solution: Check in your settings if you have chosen the right modem

Download Dun Error 721 Repair Tool *Size : 4.5 MB Estimated Download Time <60 Seconds on BroadBand Manual Solution to Resolve Dun Error 721 issues Solution 1: Fix Dun Error 721 You should then consult your computer manufacturer if the problem persists. You can also reinstall your modem 3. http://modemsite.com/56k/dunserror.asp Hope this helps and appliesBill Flag Permalink This was helpful (0) Back to Computer Help forum 5 total posts Popular Forums icon Computer Help 51,912 discussions icon Computer Newbies 10,498 discussions

The list includes error codes for Windows 95, 98, Me, NT, 2000, XP, and Vista. Please ensure that no other client on the network is configured to use 800 - Unable to establish the VPN connection. Your modem might not be working properly. Check your ADSL line as it is probably not synchronized 2.

  1. Else, create the dialler again 4.
  2. Additional information is provided in the event log. 758 - Internet connection sharing is already enabled on the connection. 760 - An error occurred while routing capabilities were being enabled. 761
  3. Windows update is a good way to get rid of Dun Error 721 problem.
  4. In your "Port Settings", check that FIFO is not set to low 3.
  5. Solution: 1.
  6. Solving Dun Error 721 in time will help you efficiently avoid PC crash, blue screen of death problem and trajon infection, etc.
  7. Solution 2: Run a complete system restore to remove Dun Error 721 problem.
  8. Disruptive posting: Flaming or offending other usersIllegal activities: Promote cracked software, or other illegal contentOffensive: Sexually explicit or offensive languageSpam: Advertisements or commercial links Submit report Cancel report Track this discussion

You should consult your computer manufacturer if the problem persists Error #609 Error Message: The device type does not exist. my site Try to install your modem again Error #615 Error Message: The port was not found. Please try again now or at a later time. Have ISP reset the password. 5.

Else press Ctrl-Alt-Delete and if RNAAPP loads, contact a technician to fix this problem 4. Ensure that the are no outages in your area 2. Only the following characters are allowed: 0 to 9, T, P, W, (,), -, @, and space. 752 - A syntax error was encountered while processing a script. 753 - The Else, try another Access number 4.

Solution: 1. Click Start button, and type windows update in the searching box. Step 2 Click "Start Scan" to scan your computer. Error #786 Error Message: The L2TP connection attempt failed because there is no valid machine certificate on your computer for security authentication.

Also please exercise your best judgment when posting in the forums--revealing personal information such as your e-mail address, telephone number, and address is not recommended. Solution: 1. Error 721 1.

In later versions of operating systems (NT, 2000, XP and Vista) some of the errors can occur for connections other than traditional dial-up modem connections: they may occur with DSL and

b. Install Blue Frog connection software again 2. Install Blue Frog connection software again Error #638 Error Message: The request has timed out. Install Blue Frog connection software again Error #633 Error Message: The port is already in use or is not configured for Remote Access dialout.

Solution: Does not require any action. I'm fairly sure the modem is an Intel 526. Next Deleting a File/Document Subscribe to our newsletter Subscribe Team Terms of Use Contact Policies CCM Benchmark Group health.ccm.net DirectX in the Control Panel? Remove the erroneous init string or enter ATZ as the init 6.

Some errors that occur frequently on a Windows system are compiled in a common Windows error codes list. i put in my username and pass and click connect...