How to restore a VPN connection
A virtual private network (VPN) lets you transfer data securely over the Internet, ensuring privacy and data protection. However, even with a VPN connection, problems can arise that interrupt the connection and cut off your access to the network. In this article, we will look at the most common problems that can occur when using a VPN and how to solve them.
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Problems with the VPN client
Problems with the VPN client can make it impossible to establish a connection or interrupt one that is already established. Some of the common problems with a VPN client are:
- Unable to establish a connection with the VPN server.
- The VPN client won't start.
- The VPN client returns an error when establishing a connection.
- The VPN client does not support the required VPN protocol.
Solution:
• Check that the username and password are entered correctly.
• Check the VPN server settings.
• Try reinstalling the VPN client.
• Check whether the VPN client supports the required VPN protocol.
Unable to visit a specific site
Sometimes a VPN connection can block access to certain sites. This can happen for several reasons:
• The site may be blocked in your country.
• The site is blocked by your Internet provider.
• The site's address may be blocked by the VPN server's settings.
Solution:
• Try accessing the site through a different browser or device.
• Check the VPN server settings.
• If the site is blocked in your country, try using a VPN server in another country.
No data transfer despite an active connection
If a VPN connection is established but no data is being transferred, it may be related to the following situations:
• Routing configuration problems.
• Incorrect VPN server settings.
• Problems with firewall or antivirus settings.
Solution:
Check the routing configuration and make sure it is set up correctly. Review the VPN server settings to make sure they match your computer's settings. If the problem persists, check your firewall or antivirus settings — they may be blocking data transfer through the VPN connection.
Connected to the VPN but unable to load sites
If a connection to the VPN is established but you cannot load sites, the cause may be one of the following:
• Incorrect DNS server settings.
• Incorrect proxy server configuration.
• Routing problems.
Solution:
• Try changing the DNS server settings.
• Check the proxy server settings and make sure they are correct.
• Check the routing configuration and make sure it is set up correctly.
Connected to the VPN server but no internet
If a connection to the VPN server is established but the Internet still does not work, the cause may be:
• Incorrectly configured DNS servers.
• Incorrect proxy server settings.
• Routing problems.
Solution:
• Try changing the DNS server settings.
• Check the proxy server settings and make sure they are correct.
• Check the routing configuration and make sure it is set up correctly.
Protocol errors
VPN protocol errors can make it impossible to establish a connection or interrupt one that is already established. Some of the most common VPN protocol errors are:
• Error 619: unable to establish a connection with the VPN server.
• Error 800: unable to establish the VPN connection.
• Error 807: the VPN connection was interrupted by the user or the VPN server.
Solution:
• Check that the username and password are entered correctly.
• Check the VPN server settings.
• Try restarting the VPN client.
The connection doesn't work on the home network
If a VPN connection is established but does not work on your home network, the problem may be in the routing. In that case, you can try the following solutions:
• Make sure your computer is on the same subnet as the VPN server.
• Make sure your router is configured correctly.
• Check the firewall settings on your computer and router — they may be blocking the VPN connection.
Blocked by various programs
Some programs can block a VPN connection, such as antivirus programs or firewalls. In that case, you can try the following solutions:
• Check your firewall and antivirus settings.
• Temporarily disable your antivirus program and try establishing the VPN connection.
• If you have a firewall installed, try disabling it briefly to check whether it is blocking the VPN connection.
The router doesn't support VPN
Some routers do not support VPN connections. In that case, you can try the following solutions:
• Check whether your router supports VPN connections.
• If your router does not support VPN, try setting up a VPN server on another device on your network, such as your computer.
Problems connecting to the local network
If you cannot connect to your local network while a VPN connection is established, the problem may be in the routing configuration. In that case, you can try the following solutions:
• Check the routing configuration on your computer.
• Make sure your computer is on the same subnet as the local network.
• Check the firewall settings on your computer and router — they may be blocking access to the local network.
Conclusion
A VPN is a convenient and secure way to connect to the Internet. However, like any technology, it can run into problems. If you have trouble with your VPN, first try restarting your devices and checking the connection settings. If that doesn't help, consult your VPN client's documentation or reach out to your VPN provider's technical support.
In this article, we have looked at some of the common problems related to VPNs and ways to solve them. We hope this information helps you quickly and effectively restore your VPN connection if you run into trouble.