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How to Fix VPN Server Connection Interrupted Error on Windows 11: Step-by-Step Solutions

Encountering a VPN server connection interrupted error on Windows 11 can be frustrating. This issue prevents you from securely connecting to the internet through your VPN. Fortunately, there are straightforward ways to address this problem.

This guide will walk you through simple and effective steps to fix the VPN connection interruption on your Windows 11 device. Each step is explained clearly, so even beginners can follow along without confusion.

By the end, you should be able to reconnect your VPN smoothly and maintain a stable connection. Let’s get started with some quick checks before moving onto detailed troubleshooting.

These solutions are designed to help you regain access and improve your VPN experience quickly and safely.

Quick Note: Prerequisites and Initial Checks

  • Check your internet connection: Make sure your device is connected to the internet without issues. A stable internet connection is necessary for the VPN to work properly.
  • Verify VPN subscription and credentials: Ensure your VPN subscription is active and that you are using the correct username and password.
  • Restart your computer: A simple reboot often resolves temporary glitches affecting VPN connections.
  • Update Windows 11: Keeping your operating system updated can fix bugs that might interfere with VPN functionality.

Step 1: Restart VPN and Network Devices

Sometimes, temporary network issues cause VPN interruptions. Begin by restarting your VPN client application. Close it completely, wait a few seconds, and then reopen it.

Next, restart your modem and router by unplugging them from the power source, waiting about 30 seconds, and plugging them back in. This refreshes your internet connection and clears minor network glitches.

Step 2: Disable and Re-enable the VPN Adapter

The VPN adapter is a virtual network device Windows uses to send your data securely. Resetting it can fix connection problems.

  1. Press Win + X and select Network Connections.
  2. Click on Change adapter options.
  3. Find the adapter named after your VPN or something like VPN or TAP-Windows Adapter.
  4. Right-click the VPN adapter and select Disable.
  5. Wait a few seconds, then right-click it again and select Enable.

This process refreshes the VPN network interface and can clear errors causing interruptions.

Step 3: Check VPN Protocol Settings

VPNs use different protocols to encrypt and route your data. Sometimes the default protocol may cause connection issues.

To change the protocol:

  1. Open your VPN client settings.
  2. Look for an option labeled Protocol, Connection type, or similar.
  3. Try switching between protocols such as OpenVPN, IKEv2, or WireGuard.
  4. Save the changes and reconnect.

Changing the protocol can solve compatibility or firewall-related blockages.

Step 4: Temporarily Disable Firewall and Antivirus

Your Windows firewall or antivirus software may mistakenly block VPN connections. Temporarily disabling them helps identify if they are the cause.

To disable Windows Defender Firewall:

  1. Press Win + S and type Windows Security, then open it.
  2. Click on Firewall & network protection.
  3. Select your active network (e.g., Private network).
  4. Toggle off Microsoft Defender Firewall.

To disable third-party antivirus, right-click its icon in the system tray and select the option to pause or disable protection temporarily. Remember to re-enable these protections after testing.

Step 5: Flush DNS and Reset Network Settings

Network settings or cached DNS entries can sometimes cause VPN interruptions. Resetting these can help.

Follow these steps:

  1. Press Win + S, type cmd, right-click Command Prompt, and choose Run as administrator.
  2. In the command window, type the following commands one by one, pressing Enter after each:
ipconfig /flushdns
netsh int ip reset
netsh winsock reset
  1. Restart your computer after running these commands.

This clears DNS cache and resets network configurations, which often resolves connection errors.

Step 6: Update VPN Client and Network Drivers

Outdated software can cause compatibility issues. Make sure your VPN client is up to date by checking for updates within the app or downloading the latest version from the official website.

Similarly, update your network drivers:

  1. Press Win + X and select Device Manager.
  2. Expand the Network adapters section.
  3. Right-click your main network adapter and select Update driver.
  4. Choose Search automatically for drivers.
  5. Follow the prompts to install any available updates.

Keeping drivers current ensures smooth interaction between hardware and software.

Alternative Method: Use Windows Built-in VPN Client

If your VPN provider allows manual configuration, try setting up the VPN connection using Windows 11’s built-in VPN client as an alternative. This can bypass issues related to the VPN app.

To set this up:

  1. Go to Settings > Network & Internet > VPN.
  2. Click Add a VPN connection.
  3. Enter the VPN provider details, server address, and login info as provided by your VPN service.
  4. Save and connect.

This method can work better if the VPN app is unstable.

FAQs

Why does my VPN connection keep getting interrupted on Windows 11?

Common reasons include network instability, incorrect VPN settings, firewall or antivirus blocking, outdated software, or issues with the VPN server.

How can I check if the VPN server is down?

Try connecting to a different VPN server location provided by your VPN service. You can also visit their website or support page for outage announcements.

Is it safe to disable the firewall or antivirus to fix VPN issues?

Temporarily disabling them can help identify if they are blocking your VPN, but always re-enable security software after testing to keep your device protected.

Can VPN protocol switching improve connection stability?

Yes, switching VPN protocols can bypass network restrictions or compatibility issues causing interruptions.

What should I do if the VPN app keeps crashing or won’t open?

Try reinstalling the VPN client or use the Windows built-in VPN client as an alternative.

When Nothing Works

If you have tried all the above steps and still face connection interruptions, consider these options:

  • Contact your VPN provider’s support: They can provide specific guidance or inform you about server issues.
  • Check for Windows updates: Occasionally, bugs in Windows can interfere with VPNs; keeping your system updated is crucial.
  • Use a different VPN service: If your current VPN consistently has problems, trial another reputable provider to see if the issue persists.
  • Visit Microsoft Support: For advanced networking problems, Microsoft’s official support may offer solutions tailored to Windows 11.

Conclusion

Fixing the VPN server connection interrupted error on Windows 11 can often be achieved through simple steps like restarting devices, resetting network settings, and updating software. Understanding why these steps work helps you troubleshoot more effectively in the future.

Always start with the easiest solutions and progress to more advanced ones to avoid unnecessary complexity. With patience and the right approach, you can enjoy a stable and secure VPN connection on your Windows 11 PC.

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