Reinstall VPN Software. If you are using a third-party VPN software, you can check for updates to update the VPN software to the latest version or reinstall it, since VPN software is frequently updated. After you updated the VPN software, you can check if the VPN not connecting issue is fixed on Windows 10.
If you cannot connect to your L2TP/IPsec VPN server from Windows 10, continue reading below to solve the problem. VPN connection errors can be caused by a variety of causes, but are usually due to incorrect settings of the VPN connection (e.g. incorrect server name/address, authentication method, username or password).
Solution 1 – Check the DHCP server address
Solution 2 – Change the user account properties
Solution 3 – Delete the Miniports and your VPN connection
Solution 4 – Set the range of IP addresses
Make sure your Internet is really working and troubleshoot your network if necessary. Make sure the evening edition and time are set correctly on your computer. Make sure no other VPN works with your software. Make sure your modem is compatible with the VPN and that it’s not blocking your connection.
Check your final internet connection.
Check your connection reviews.
Edit the connection to the VPN server.
Restart the VPN software or the appropriate browser plug-in.
Check if your VPN software is up to date.
Check if your browser is up to date. This
reinstall the latest system VPN software package.
This error can be fixed due to temporary issues with the person’s network connection. If you were ready to connect the VPN to the same Wi-Fi network, wait a moment and try connecting to the VPN again. Some Wi-Fi networks do not allow VPN connections and restrict the use of the VPN access network and firewall settings.
Go to Control Panel.
Open system and added security.
Open Windows Defender Firewall. Press
Now navigate to Allow an app or feature from Windows Defender Firewall.
Now click “Change Settings”.
Find your VPN in the displayed list of programs and/or applications.
VPN profile settings with automatic launch Application triggers. VPN loops in Windows 10 or Windows CAN 11 can be configured to establish an efficient connection when a specific set of applications are launched.
Name based trigger.
Save the “Always On” user setting.
Trusted organization discovery.
Set up an app-launched VPN.
Check normal network connection. The easiest troubleshooting step is to make sure your regular network connection is working properly.
Make sure the VPN credentials are correct. Check it again, assuming you entered the correct and valid VPN connection password.
Try a different VPN server.
Reinstall your VPN software.
Disable the IPv6 protocol.
Restart your VPN software. Yes, it’s a cliché, but once you close your software, you may find that everything works fine again.
Clean your device of old VPN software. We know – you really want to make sure you choose the right VPN software that you have.
Use the VPN help feature most often.
Make sure the VPN is up to date.
Change VPN server.
You can choose what you prefer to try really hard: disable the VPN in the entire system tray.
Disconnect in VPN Network and Sharing Center
Disable or remove Windows settings in virtual private network.
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