Tips & Tricks Connection Failed With Error 651

Connection Failed With Error 651

Many users of Windows Operating System have come to face this problem at least once while working online or when trying to set up a network. If you are a Windows user, you should continue reading this article. We will help you understand what a 651 Error indicates, why you see the error message and…


Tips & Tricks

Aug 12, 2015 8:08 am

by Tech

Many users of Windows Operating System have come to face this problem at least once while working online or when trying to set up a network. If you are a Windows user, you should continue reading this article. We will help you understand what a 651 Error indicates, why you see the error message and also, how to resolve it. What is a connection failed with error 651? You see this code while configuring the broadband network in your Windows 7 PC because you have a problem with your device, network, or config settings.

The code indicates to the user that the modem or other network connection devices have raised an error message. The message is “Connection Failed with Error 651”. When the users of Windows 7 are working on modem built-in PPPoE wizard (bridge mode), the configuration fails, and the error code is displayed. The identical problems are witnessed in earlier versions of Windows such as Windows Vista. The Error code 678 seen in Windows XP is identical to the Error 651.

When this error message is seen, the average users instinctively attempt restarting the modem or router. If the solution isn’t working, then they would be prompted to look for other solutions on the internet. But, the solution isn’t easy, because they are unable to search online due to the absence of connectivity. If you are facing a network issue, then you should see the error message. So, here is what you need to do.

Fixing Error 651 in Windows

connection-failed-with-651

Although, there are a dozen websites that claim to offer a fix to this solution, there isn’t a guarantee or a acknowledged solution to solve the issue upright. So, if you are one of those users, looking for a fix, you wouldn’t be disappointed. Some tips you can try to sort the issue will be found in this article as we have compiled the best answer foraging the internet. So, here is how you can solve this problem on your Windows 7 Operating System.

  • Go to a trusted File Sharing Website and download the “Advanced PC Care” tool.
  • Install the tool on your system
  • Launch the tool and allow it to scan for an existing issue. Once the diagnosis is complete, you can choose to troubleshoot from the solutions listed below.

1. Uninstall the Modem

The simplest solution is to uninstall the modem. In most cases, it is known to help resolve the issue. It will easily eliminate this error code. Uninstalling the modem will also resolve the issues in the dial-up modems. Although, not a guaranteed fix, many vouch that this method has worked satisfactorily.

2. Replacing A System File From Windows 7 Directory

Try replacing raspppse.sys file from your Windows 7 Directory. Remember, this method will only work for those users working on Windows 7 Operating System. Go to the location where the raspppse.sys file is located. The path to the folder is C:\Windows\System32\Drivers

Now, you can download a raspppse.sys file from the internet or copy the file from another system running on Windows 7 Operating System. Paste the copied file in the path mentioned above. But, do not replace your default file. Instead, you can rename them. In case the file you paste isn’t working, you can always choose to restore the original file. Connect your modem and it should be working fine.

3. Disabling The IPv6 to enable Your Internet Connection

If you have a dial-up modem, you can attempt fixing the issue by turning off IPv6. You can try to resolve by following these steps to disable the IPv6. Right click on the connections and select the Properties. You can then, uncheck the box adjacent to “Internet Protocol Version 6 (TCP/IPv6)”.

4. Disabling the Auto tune Feature On Windows 7

If you use a router, you can try turning off the Auto tune feature on your Windows 7 machine. Many users reported, they have fixed the issue by disabling the feature.

Here is how you can disable the auto tune feature

  • Launch the command prompt as an admin.
  • Key in the command listed below and hit enter.

“Netsh interface TCP set global auto-tuning=disabled.”

5. Reinstallation Of LAN Card Driver

Some users have solved the error by reinstalling the LAN card driver. Occasionally, it is possible that the driver is corrupted, and it may cause the Network device to malfunction. Hence, you are recommended to reinstall your network drivers again.

6. Perform a Clean Boot

If none of the typical methods work, you can attempt a clean boot. If there is trouble with your windows services, it will be exposed during the boot. Here is how you can perform a clean boot on your machine.

  • Turn on your computer
  • On the search box type “msconfig.exe”. If you are prompted an admin password, enter the details.
  • In the “General” tab, click on “Selective Startup”. In the submenu, check the box adjacent to load startup items.
  • On the “Service” tab, check the box adjacent to Hide all Microsoft services. Hit the Disable all button.
  • Click on “OK” and finally restart the machine.

7. Manually check Your ADSL modem

It is an indication of an issue if you see a flashing light on your modem. For your device to be normally functioning, it is important that ADSL light stays on continually, except for the issue with the splitter. You can check the phone line with the ISP to ensure it is synced. If there isn’t an issue with your ISP, hard reset your modem. If the issue persists despite the ADSL light remaining constant, you may have to upgrade you network’s device firmware.

The 651 error is faced by many users of the earlier version of Windows (7, Vista and XP). The problem originates when using a network configuration wizard. Although, there isn’t one fixed standard solution, you can certainly tray the tips mentioned in this article. In some situations, the problem could also be due to the device malfunctioning. Hope you liked this article. If you do, kindly share and let us know your opinion if you are aware of any new techniques.

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