How to: Fix Any Vpn Error on Windows 10 in Just a Couple of Steps

How to: Fix Any Vpn Error on Windows 10 in Just a Couple of Steps

Here we can see, “How to: Fix Any Vpn Error on Windows 10 in Just a Couple of Steps”

  • Many customers have reported various VPN application issues in Windows 10.
  • Changes to the registry should be made to fix general VPN issues.
  • You’ll also need to troubleshoot the network connection and turn it off.
  • Continue reading for more solutions after reinstalling the VPN application.

Many people are concerned about their online privacy therefore, they use VPN software to alter their IP addresses in order to protect themselves.

VPN software can be useful, but it can sometimes cause problems, and today we’ll teach you how to fix VPN errors on Windows 10.

Also See:  How to: Connect to VPN on Laptop

Table of Contents

How can I resolve VPN issues with Windows 10?

1. A general strategy to resolve VPN issues

1.1. Make registry modifications

  1. Enter regedit by pressing Windows Key + R. Click OK or press Enter.
  2. Go to the following path when the Registry Editor opens:
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
  3. Choose New > Key from the menu when right-clicking the Internet Settings key.
  4. Select the new key and give it the name GlobalUserOffline.
  5. Double-click the (Default) DWORD in the right pane to open its properties.
  6. Type 1 in the Value data field to save changes and click OK.
  7. Close Registry Editor and double-check that the Cisco software is working properly.

Users reported getting the Failed to initialize connection subsystem error when trying to use Cisco VPN software, but this can be easily fixed by adding one item to your registry.

1.2. Switch to Compatibility mode in Cisco AnyConnect.

  1. Right-click the Cisco AnyConnect shortcut and select Properties.
  2. Navigate to the Compatibility tab.
  3. Check Select an older version of Windows and run this program in compatibility mode.
  4. To fix the issue, click Apply and OK.

Compatibility mode is a fantastic feature that allows you to use older apps without any issues on Windows 10. To do so, follow the steps outlined above.

A few people noted that executing the setup file in compatibility mode fixed the Cisco AnyConnect issue, so you might want to try that as well.

1.3. Remove the WAN Miniport (IP), WAN Miniport (IPv6), and WAN Miniport (PPTP) devices from the device list

  1. To access the Win + X menu, press Windows Key + X. Select Device Manager from the drop-down menu.
  2. Go to View > Show hidden devices when Device Manager opens.
  3. Locate and delete all WAN Miniport devices.
  4. Your VPN connection should start working normally after uninstalling all Miniport devices.

Certain devices, such as the WAN Miniport, might cause issues with the built-in Windows VPN capability, causing a slew of issues.

According to users, When trying to utilize VPN on Windows 10, you get a Connection to the distant computer that could not be formed issue, and one of the suggested solutions is to erase all WAN Miniport devices.

1.4. Make sure the Cisco VPN utility is properly installed

  1. Download the most recent version of Cisco VPN software. Do not run the setup file at this time.
  2. Cisco DNE software to be downloaded and installed. Ensure that the 32-bit or 64-bit version you download is compatible with your operating system.
  3. Install the DNE program on your computer.
  4. Install Cisco VPN after that.

Others have reported receiving the Cisco VPN error 27850 throughout the installation process, and one solution is to install the program properly.

Error 442 was also reported by users, indicating that the Virtual Adapter could not be enabled. Simply launch the Registry Editor and perform the following procedures to resolve the issue:

  1. Take the following route:
    • HKLM\SYSTEM\CurrentControl\Set\Services\CVirtA
  2. In the right panel, double-click the DisplayName string and change the value to Cisco Systems VPN Adapter for 64-bit Windows.
  3. Close Registry Editor and reopen it to see if the issue has been addressed.

1.5. Use Microsoft CHAP Version 2

  1. Right-click your VPN connection and select Properties from the menu.
  2. Go to the Security tab in the Properties window, select Allow these protocols, and check Microsoft CHAP Version 2. (MS-CHAP v2).
  3. Your VPN should start working normally after you enable Microsoft CHAP Version 2.

Allowing certain protocols in your VPN can help you fix some issues. Following the procedures, users reported that the problem with the VPN connection was resolved.

1.6. Find out what’s wrong with your connection and turn it off

  1. Select Network Connections from the menu by pressing Windows Key + X.
  2. Locate your VPN connection in the Network Connections box, right-click it, and select Diagnose from the menu.
  3. Allow time for the scan to complete.
  4. Right-click the VPN connection and select Disable from the menu if the issue remains.
  5. Wait a few seconds before repeating the procedures to enable your VPN connection.

Diagnosing your VPN connection is one technique to resolve VPN issues. Windows 10 will fix some of the most frequent VPN issues by assessing your connection.

A simple approach that a few users have reported working, so you might want to give it a shot.

1.7. Remove Citrix DNE Updater from your computer

Many issues can be resolved by uninstalling Citrix DNE Updater if you’re using Cisco’s IPSEC VPN client.

After uninstalling this application, go to Dell’s website and download and install SonicWall VPN 64-bit Client. After that, you should be able to use the VPN without any problems.

1.8. Before installing Cisco VPN, make registry adjustments

  1. Navigate to the following path in the left pane of Registry Editor once it has opened:
    • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControl\Set\Control\Network
  2. Locate MaxNumFilters in the right panel and double-click it. Save the modifications after changing the Value data from 8 to 14.
  3. Restart your computer after closing Registry Editor.

If you make one little modification to your registry, you may be able to fix Error 27850 while installing Cisco VPN. Open Registry Editor and perform the procedures above before installing Cisco VPN.

You should be able to install Cisco VPN without any problems after updating this value in the Registry Editor.

1.9. Restart the Hamachi tunneling engine service for LogMeIn

  1. Enter services.msc by pressing Windows Key + R. Press OK or Enter to continue.
  2. Locate the LogMeIn Hamachi Tunnelling Engine service in the Services box and double-click it.
  3. If the service is already operating, click the Stop option to terminate it.
  4. Wait a few seconds before clicking the Start button to restart it.

If you’re utilizing LogMeIn as your VPN service, you can run into some issues. However, most LogMeIn issues can be resolved by just restarting the LogMeIn Hamachi Tunneling Engine service.

1.10 Verify that the time on your watch is correct

  1. Right-click your clock in the bottom right corner and select Adjust date/time.
  2. Check to see if your clock is accurate. If it isn’t, switch off the Set time automatically option and enable it again.

When using the SoftEther VPN software, users have experienced Error Code 1, and one of the quickest fixes is to double-check your time and date. Follow these simple steps to get started:

Your clock should now be right, and the VPN fault should be addressed.

1.11. Select Allow service to interact with the desktop from the drop-down menu

  1. Activate the Services window.
  2. Double-click Cisco AnyConnect Secure Mobility Agent to open it.
  3. Check the Allow service to interact with the desktop option on the Log On tab.

You should be able to resolve a Cisco VPN Client Driver issue by enabling one of the options.

1.12 Make use of the Command Prompt

  1. Select Command Prompt by pressing Windows Key + X. (Admin).
  2. Enter the following commands into Command Prompt after it has opened:
    • net stop CryptSvc
    • sentutl /p %systemroot%System32catroot2{F750E6C3-38EE-11D1-85E5-00C04FC295EE}catdb
  3. To attempt the repair, select OK when prompted.
  4. Exit Command Prompt and restart your computer after the repair process is complete.

Using Command Prompt is another option for resolving the Cisco VPN Client Driver issue. If you’re experiencing problems using Command Prompt as an administrator, check out this instruction on how to use CMD with administrative privileges.

1.13. Set up Hamachi correctly

  1. Write down your Hamachi IP address after opening Hamachi.
  2. The Network Connections window should now be open.
  3. Locate your Hamachi adapter and select Properties from the context menu.
  4. Click the Properties button after selecting Internet Protocol (TCP/IP).
  5. Ensure that the Obtain an IP address automatically and Obtain DNS server address automatically options are selected in the General tab.
  6. Select the Alternate Configuration option from the drop-down menu.
  7. Select the User-defined option.
  8. Put the Hamachi IP address you acquired in Step 1 in the IP address area.
  9. Set the Subnet mask to and the Default Gateway to
  10. To save your changes and restart your computer, click OK.

If you don’t configure LogMeIn VPN properly, it can cause problems, but fortunately, you can fix this mistake by following the steps above.

1.14. Disconnect from the AviraPhantomVPN service

  1. As an administrator, open Command Prompt.
  2. When the Command Prompt window appears, type the following commands:
    • net stop AviraPhantomVPN
    • net start AviraPhantomVPN
  3. After that, restart Avira Phantom VPN to see whether it works.

You should be able to fix some of Avira Phantom VPN’s issues by just restarting the AviraPhantomVPN service if you’re using it.

1.15. Reboot your computer and reinstall your VPN program (suggested)

If you’re using third-party VPN software, a simple reinstall may be all you need to fix any difficulties, so give it a shot. Remember that this method is applicable to all third-party VPN tools.

2. Windows 10 VPN Error 807

2.1. Turn off IPv6

  1. Open the Registry Editor program.
  2. When the Registry Editor window appears, go to the following location:
    • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControl\Set\Services\Tcpip6\Parameters
  3. Look for the DisabledComponents DWORD in the right panel.
    • If this DWORD isn’t already present, create it by selecting New > DWORD (32-bit) Value from the context menu.
  4. As the name of the new DWORD, type DisabledComponents.
  5. Double-click the DisabledComponents DWORD and change the Value data to FFFFFFFF.
  6. To save your changes, click OK.
  7. Restart your computer after closing Registry Editor.
  8. VPN error 807 should be resolved after totally deactivating IPv6.

IP addresses are divided into two categories: IPv4 and IPv6. VPN problem 807 has been reported by some users to be caused by IPv6. Disabling IPv6 is one solution to this problem, which can be done by following these steps:

2.2. Make use of the flushdns command

  1. As an administrator, open Command Prompt.
  2. Enter the following command in Command Prompt when it appears:
    • ipconfig /flushdns
  3. Close Command Prompt after the command has been performed and verify that the problem has been resolved.

Users reported that performing the ipconfig /flushdns command in Command Prompt repaired the VPN problem 807. Follow these basic steps to do so:

2.3. Disable the wireless connection

A few people said that merely deactivating the wireless connection fixed error 807. However, the wifi connection would interfere with the VPN for some unknown reason, resulting in this error.

Turning off your wireless connection completely is one technique to fix this issue. Users have mentioned that disconnecting the wireless connection on their router totally addressed the problem, so you might want to try that.

2.4. Modify the VPN connection’s settings

  1. The Network Connections window should now be open.
  2. Find the location of your VPN connection. Then, choose Properties from the context menu when you right-click it.
  3. Select the Security option from the drop-down menu.
  4. Change the VPN Type to Automatic.

A few people said that merely altering their VPN connection properties fixed the problem. For example, the VPN type was set to PPTP, but after changing it to Automatic, the problem was removed totally.

2.5. Make changes to your host’s file

  1. Enter notepad by pressing Windows Key + S, right-clicking it, and selecting Run as administrator.
  2. Select File > Open from the File menu.
  3. Take the following route:
    • C:\Windows\System32\driversetc
  4. Change Text Documents to All Files in the lower right corner and pick the host’s file.
  5. When the host file opens, put your VPN’s server IP address and the address you want to use at the end of the file.
  6. Save the modifications to the host file and try connecting to the VPN with the supplied name.

After updating the host’s file, users claimed that error 807 was resolved. According to users, they were attempting to connect to the VPN server using the server’s IP address, which resulted in this error.

2.6. Double-check your VPN settings

This error can occur if your VPN settings are incorrect, but you should be able to resolve the issue by making the necessary changes.

Users noted that deleting http:// from the beginning of the server address fixed the problem.

You can also remove the / from the end of the server URL. Users also suggested changing the connection type in the Security tab to Point to Point Tunneling Protocol.

Do you want to learn how to set up a VPN connection on Windows 10? More information can be found in this dedicated article.

Also See:  How to: Fix Vpn Unlimited Internal Exception Error

2.7. Make sure your firewall and antivirus software are up to date

Your firewall configuration can cause this problem, and many users recommend enabling GRE protocol 47 and opening port 1723 in the firewall configuration.

After that, you should be able to use your VPN connection without any issues. However, while creating the VPN connection, you may want to stop your antivirus software in addition to your firewall temporarily.

3. Error 619 in VPN Change your router’s starting commands in Windows 10

Navigate to Administration, then Commands in your router configuration

Add the following commands to your script:

/sbin/insmod xt_mark

/sbin/insmod nf_conntrack_proto_gre

/sbin/insmod nf_conntrack_pptp

/sbin/insmod nf_nat_proto_gre

/sbin/insmod nf_nat_pptp

It appears that DD-WRT isn’t sending GRE PPTP packets, which can result in an error 619.

4. VPN error 812 Windows 10

4.1. Modify your DNS configuration

  1. Locate your VPN connection in Network Connections and open its properties.
  2. Click the Properties button after selecting Internet Protocol (TCP/IP).
  3. Change the Primary DNS to the domain controller address and the Alternate DNS server to an external server, such as
  4. Save your modifications and check to see if the issue has been rectified.

According to users, you should be able to repair issue 812 by simply updating your DNS settings. To understand more, take a closer look at this helpful guide to resolving DNS difficulties.

4.2. Make sure your username is correct

This problem was reported by users while setting up a VPN server, and the cause was the user name. Users claim that they used their Microsoft account username; however this resulted in error 812.

To resolve this issue, you must input your username in the following format: Domain name username. The problem should be resolved after that.

4.3. Create a Windows SBS Virtual Private Network Users group in Windows SBS.

VPN error 812, according to users, can occur if your users aren’t in the correct group. Simply add users to the Windows SBS Virtual Private Network Users group to address the issue.

5. Windows 10 VPN Error 720

5.1. Verify the address of the DHCP server

  1. Select Routing and Remote Access from the Administrative Tools menu on the VPN server.
  2. Check the DHCP server IP address by selecting DHCP Relay Agent.

If the DHCP server address is incorrect, this error can occur. To resolve this issue, take the following steps:

Some users also advise against using DHCP at all. Instead, they recommend directly defining the IP range on the RAS server rather than utilizing DHCP.

5.2. Modify the characteristics of the user account

Users claim that entering Active Directory, opening the user’s account properties, and checking the Control access through the NPS Network Policy option will fix the VPN issue 720.

5.3. Disconnect from your VPN and delete the Miniports

Because miniports may be the source of the problem, we recommend deleting them all. Check out one of our prior solutions for instructions on accomplishing this.

You can also try removing and re-creating your VPN connection in addition to deleting Miniports.

5.4. Define the IP address range

  1. Find your VPN connection in the Network Connections window, right-click it, and select Properties.
  2. Click Properties after selecting Internet Protocol Version 4 (TCP/IPv4).
  3. Change the IP range to match the range given by your router by clicking Specify IP addresses.
  4. Check to see if the issue has been repaired by clicking OK.

If you’re having trouble giving IP addresses to VPN users, one solution is to utilize an IP address range that matches the IP address range supplied by your router.

6. VPN error 721 Windows 10

6.1. Modify your router’s settings

Change your router settings, according to users, to repair issue 721. In addition, users have mentioned that allowing the PPTP passthrough option fixed the problem, so you might want to try that.

Another option is to switch to L2TP over IPSEC for LAN-to-LAN communication. Then, disable PPTP as an endpoint on the router, and the problem should be resolved.

6.2. Upgrade the firmware on your router

If you wish to fix problem 721, one option is to upgrade the firmware on your router.

This is a complex procedure, and we strongly advise you to consult your router’s manual for complete instructions to avoid causing any damage to your router.

Take a closer look at our post dedicated to changing your firmware if you need more information on the subject.

6.3. Get a new router

According to a few users, the only option was to replace the router because the problem could not be rectified.

Because it appears that some ISPs and routers are unable to support specific VPN settings completely, you may want to consider updating your router.

7. VPN error 412 Windows 10

7.1. Don’t use Run as administrator option

According to users, if you’re using Cisco VPN software, you can get a 412 error. You must deselect the Run as Administrator option to resolve this issue.

After that, save the modifications and see if the issue has been resolved.

7.2. Modify your router’s settings

Users stated that merely changing a few lines to the pcf file fixed the problem on their Linksys router. Simply add the line UseLegacyIKEPort=1 to the pcf file and save your changes.

7.3. Make sure your firewall settings are correct

Your firewall settings may be to blame for this issue, but you should be able to resolve it by unblocking particular ports. For example, users claim that port 500, port 4500, and the ESP protocol must all be enabled.

Enable the NAT-T/TCP protocol and open port 10000 as well. In addition, enable UDP ports 500 and 62515 if you’re using a Cisco VPN client. To understand more, see this short guide to checking blocked firewall ports.

Also See:  How to share a VPN connection on Windows 10

8. VPN error 691 Windows 10

8.1. Change your username

If your username is incorrect, Error 691 may occur; thus, make sure to input your username in the Username@DomainName format. The issue with error VPN error 691 should be fixed after that.

8.2. Modify the authentication level of the LAN Manager

  1. Enter local security policy by pressing Windows Key + S.
  2. From the menu, choose Local Security Policy.
  3. Navigate to Local Policies > Security Options in the left pane.
  4. Double-click the LAN Manager authentication level in the right pane.
  5. Select Send LM & NTLM answers from the options. Then, to save your changes, click Apply and OK.
  6. Double-click the Minimum Minimum session security for the NTLM SSP option.
  7. Disable Click Apply and OK to require 128-bit encryption.
  8. Check to see if the problem has been resolved by restarting your computer.

8.3 Disable the CHAP authentication protocol

If both CHAP and MS-CHAPv2 are active, this issue may happen occasionally, but it is easily fixed. Simply disable CHAP, and the error 691 will be entirely resolved.

If you wish to safeguard your online anonymity, a VPN can be handy, but it can also cause many problems. Check out some of our options if you’re having VPN problems.


I hope you found this information helpful. Please fill out the form below if you have any questions or comments.

User Questions

1. What can I do if my VPN on Windows 10 is blocked?

  1. Use the PIA VPN service.
  2. Change the date and time on your computer.
  3. Configure the VPN connection manually.
  4. In your antivirus settings, turn off VPN.
  5. In Windows Firewall, enable VPN software.
  6. Clear the cache and flush the DNS.
  7. Your VPN client should be reinstalled.
  8. Enable the PPTP rule.

2. What should I do if I get a VPN error?

  1. Restart the VPN application.
  2. Remove any old VPN software from your device.
  3. Make use of the VPN’s assistance feature.
  4. Check to see if your VPN is up to date.
  5. The VPN server should be changed.
  6. Use a different VPN protocol to connect.
  7. Examine your firewall.
  8. Instead, use the OpenVPN Client.

3. How do I set up a VPN connection on Windows 10?

On Windows 10, go to Settings > Network & Internet > VPN to connect to a VPN. To create a new VPN connection, click the “Add a VPN connection” option. Provide your VPN’s connection information. Under “Connection Name,” you can enter whatever name you like.

Also See:  how to fix slow ssd command prompt windows 10

4. KB5009543 – January 11, 2022 Breaks L2TP VPN Connections

KB5009543 – January 11, 2022 Breaks L2TP VPN Connections from sysadmin

5. Anyone having issues on Win10 VPN with constant Error 789

Anyone having issues on Win10 VPN with constant Error 789 recently? from sysadmin