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FIX: VPN error 868 connection failed on Windows 10

If you don’t have a third-party anti-malware solution installed on your PC, then you can skip this step.

It means that Windows Defender is responsible for your security, and you already added an exception to the firewall if you tried the previous solution.

Otherwise, your anti-malware tool might be the culprit for VPN error 868. You can easily tell if it shows a notification message every time you try and connect to the VPN.

You can quickly fix this problem by finding the whitelist (exception) settings of your antivirus software solution and adding your VPN service there.

Your router has its own firewall, depending on its firmware. As such, you should access the admin panel of your router, head over to the advanced settings section, and check the VPN passthrough settings.

Keep in mind that the configuration is different for each VPN protocol, such as PPTP and L2TP. So, make sure to only enable VPN passthrough on the protocol you need.

It’s not a good idea to enable this open for all VPN protocols just to be sure. Because you would expose your home network to hacker attacks.

We also suggest checking out routers with built-in VPN functionality.

flush DNS servers in Windows 10
  1. Run Command Prompt with elevated rights: press Ctrl + R, type cmd, hold Ctrl + Shift and press Enter
  2. Copy and paste the next lines (press Enter between each line)
ipconfig /flushdns

ipconfig /registerdns

ipconfig /release

ipconfig /renew

NETSH winsock reset catalog

NETSH int ipv4 reset reset.log

NETSH int ipv6 reset reset.log


Restart your computer to finalize the process.

By flushing your DNS and resetting Winsock, you are refreshing your network connectivity settings. It could help fix VPN error 868 connection failed on Windows 10.

uninstall TAP drivers from Device Manager
  1. Right-click the Start button and select Device Manager
  2. Expand the Network adapters menu
  3. Find any TAP drivers, right-click each entry, and select Uninstall device
  4. Open the Action menu and select Scan for hardware changes

Most VPN apps require TAP driver. So, if there’s anything wrong with it, the TAP driver can cause various errors.

But you can quickly repair this problem by uninstalling the TAP device from Device Manager. It should get automatically reinstalled after scanning your PC for hardware changes.

With Private Internet Access (buy here), you just have to visit the help menu to reinstall the TAP drivers with one click.


To recap, you can fix VPN error 868 connection failed on Windows 10 by verifying the IP or domain name of the remote server, changing your DNS settings, and opening ports in the firewall.

You can also check if your antivirus is blocking VPN traffic, enable VPN passthrough on your router, and try other solutions.

However, we also recommend using a premium VPN service like Private Internet Access (buy here). It’s a more reliable solution than setting up manual VPN connections or using free VPNs that compromise your security.

FAQ: Learn more about VPN errors

  • How do I troubleshoot a VPN problem?

It depends on the problem. But you can start by checking your firewall settings, Internet connection, and router configuration. Visit our VPN Troubleshooting Hub to learn more.

  • Why is my VPN unsuccessful?

Incorrect login credentials or remote server address could be the reason why your VPN is successful. If your VPN fails due to unsuccessful domain name resolution, we have a simple guide to help you out.

  • How do I fix error 807 VPN?

To repair VPN error 807, check your antivirus, firewall, router settings, and try other possible solutions.

Editor’s Note: This article was originally published in February 2017 and was revamped and updated in December 2020 for freshness, accuracy, and comprehensiveness.

This post was written by Elena Constantinescu and was first posted to WindowsReport

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