This isn’t a permanent solution disabling your antivirus software and firewall can leave your computer vulnerable to security threats. You’ll need to do this for public and private networks - this option should be in your firewall settings.

Make sure you disable both third-party and built-in firewalls (like the Windows Defender firewall). You can also temporarily disable your antivirus and firewall. Adding your VPN to these whitelists will stop it from being flagged and may solve the VPN authentication error. Your antivirus software and firewall will have the option to choose specific apps that are allowed to access the internet. To find out whether this is the problem, you’ll need to whitelist your VPN and temporarily disable your antivirus software and firewall. If you’re using a firewall or antivirus software, it could be blocking your VPN client. This clears the memory cache and stops any code that isn’t working correctly, letting the VPN start fresh. Like many technical issues, the “VPN Authentication Failed” error can sometimes be solved by rebooting your device. Sometimes, the simplest solutions are the best. These are just a handful of reasons, all of which are simple to fix so you can get connected and protected as soon as possible.

Your WiFi connection isn’t stable enough to support your VPN.

There are too many simultaneous device connections.

Your VPN software download is corrupted or out of date.

Your antivirus software or firewall is blocking your connection.

There are a few reasons you may encounter a VPN authentication error, including: In this case, I recommend you get a high-quality VPN like ExpressVPN as this will reduce the chance you’ll see any service errors.Īvoid annoying errors with ExpressVPN 12 Ways To Fix VPN Authentication Errors (Tested in March 2023) If these methods don’t work for you, you likely have an issue with your VPN provider. Just work through each method listed below to restore access to your VPN. I’ve discovered multiple ways to fix a VPN authentication error that you can try for yourself. Fortunately, it’s an easy issue to fix, and usually takes just a couple of minutes to resolve by tweaking some settings.

Getting a “VPN authentication failed” error message is frustrating, as you can’t access your VPN account and secure your devices. Best Parental Control for iPhone & iPad.IPVanish VPN vs Private Internet Access.

Protonvpn connection failed