How to fix VPN error on Windows 10

Milan Stanojevic – deputy editor-in-chief

Latest update: 28. April 2021

  • Many users have complained about various bugs in the Windows 10 VPN software.
  • To fix common errors in your VPN, you need to make changes to the registry.
  • The connection should also be diagnosed and disconnected.
  • Reinstall the VPN software and read on for more solutions!

Many users are concerned about their online privacy and use VPN tools to protect it.

VPN software can be great, but sometimes you can encounter bugs in your VPN software, and today we are going to show you how to fix VPN errors in Windows 10.

How to solve the VPN error in Windows 10?

Table of contents :

  1. General guidelines for resolving VPN errors
  2. VPN error 807 Windows 10
  3. VPN error 619 Windows 10
  4. VPN error 812 Windows 10
  5. VPN 720 Windows 10 error
  6. VPN error 721 Windows 10
  7. VPN error 412 Windows 10
  8. VPN error 691 Windows 10

Correction: Common VPN errors on Windows 10

1. Changes to the register

Users have reported a Failed to initialize connection subsystem error on their PCs when trying to use Cisco VPN software, but you can easily fix this problem by adding a value to your registry.

Before you start editing the registry, we must warn you that editing the registry can cause all kinds of problems, so it is recommended that you backup the registry before proceeding.

To solve this problem, do the following:

  1. Press Windows + R and type regedit. Press Enter or OK key.
  2. When the Registry Editor opens, navigate to HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionInternetInstitutions in the left pane.
  3. Right-click on Internet Settings and select New > Key from the menu.
  4. Enter GlobalUserOffline as the name for the new key and select it.
  5. Double-click the DWORD (default) in the right pane to open its properties.
  6. Enter 1 in the Value Data field and click OK to save your changes.
  7. Then close the registry editor and verify that the Cisco software is working properly.

If you can’t change your Windows 10 registry, read this handy guide and find the quickest solution to the problem.

2. Running Cisco AnyConnect in compatibility mode

Compatibility mode is a great feature that allows you to run older software on Windows 10 without any problems. To do this, follow these simple steps:

  1. Locate the Cisco AnyConnect shortcut, right-click it and select Properties.
  2. Click on the Compatibility tab.
  3. Check the Run this program in compatibility mode box and select an older version of Windows.
  4. Click Apply and OK to resolve the issue.

Once compatibility mode is enabled, the Cisco AnyConnect issue should be resolved. Some users have reported that this problem can also be solved by running the installation file in compatibility mode, which you can also try.

You can protect yourself by installing a compatible and reliable VPN that won’t bother you with errors. In this case, we recommend Cyberhost (currently 77% off) – the market leader in VPNs. It protects the PC from attacks during browsing, hides the IP address, blocks all unwanted access and works perfectly.

3. Removal of Miniport WAN (IP), Miniport WAN (IPv6) and Miniport WAN (PPTP) devices.

Some devices such as B. The WAN mini-port can interfere with the built-in Windows VPN function and cause all kinds of problems.

Users reported an error connecting to the remote computer when trying to use VPN in Windows 10, and one of the suggested solutions was to remove all WAN mini-port devices.

Follow the steps below to do this:

  1. Press the Windows key + X to open the Win + X menu. Select Device Manager from the list.
  2. When the Device Manager opens, go to View > Show hidden devices.
  3. Locate and remove all WAN miniport devices.
  4. After removing all miniport devices, your VPN connection should work without any problem.

4. Install the Cisco VPN Tool correctly

Users have reported receiving Cisco VPN error 27850 during installation. One way to solve this problem is to install the tool correctly. Follow the steps below to do this:

  1. Download the latest version of the Cisco VPN software. Do not run the installation file yet.
  2. Download and install the Cisco DNE software. Make sure you download the 32-bit or 64-bit version for your operating system.
  3. Install the DNE software.
  4. Then install Cisco VPN.

Users also reported a 442 error, meaning that the virtual adapter could not be activated. To resolve this issue, open the Registry Editor and follow the steps below:

  1. In the left pane, navigate to the key HKLMSYSTEMCurrentControlSetServicesCVirtA.
  2. In the right pane, double-click the DisplayName line and change the value to Cisco Systems VPN Adapter for 64-bit Windows.
  3. Close the registry editor and check if the problem is solved.

Cannot open the registry editor? It’s not as bad as it sounds. Refer to this guide and solve the problem quickly.

5. Use Microsoft CHAP version 2

You can fix some VPN errors by simply enabling certain protocols. Users reported that they fixed the VPN connection issue by following the following steps:

  1. Find your VPN connection, right click on it and select Properties from the menu.
  2. When the Properties window opens, click the Security tab, select Allow these protocols, and check Microsoft CHAP version 2 (MS-CHAP v2).

After enabling Microsoft CHAP version 2, your VPN should work properly.

6. Diagnosis and disconnection

One way to solve your VPN problems is to fix your connection problems. Troubleshooting Your Windows 10 Connection fixes some of the most common VPN errors. Follow the steps below to do this:

  1. Press Windows + X and select Network Connections from the menu.
  2. When the Network Connections window opens, locate your VPN connection, right-click it, and select Diagnostics from the menu.
  3. Wait for the scan to finish.
  4. If the problem persists, right-click on the VPN connection and select Disconnect.
  5. Wait a few seconds, then activate the VPN connection by following the same steps.

This is a simple solution, and some users have reported that it works for them, so you may want to try it.

7. Uninstall Citrix DNE Updater

If you are using the Cisco IPSEC VPN Client, you can fix many errors by simply uninstalling the Citrix DNE Updater.

After uninstalling this tool, you can download and install the Dell SonicWall 64-bit VPN Client. After that, the VPN problem should be completely solved.

Do you want to completely remove the application from your PC? Use these great uninstallers for Windows 10.

Editor’s comment: This article continues on the next page. Do you need more advice? Visit our dedicated VPN instruction hub.

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