• Windows encountered an IP address conflict. Network error indicates that another device on your local network is already using the local IP address you are trying to use.
  • You can quickly correct this network error by checking your router configuration, using a dynamic IP address, or changing DNS servers. Discover simpler solutions in our guide below.
  • Visit our web section to see how you can improve your online experience.
  • Return to our Troubleshooting Network Center for more Internet-related troubleshooting.

Windows Has Detected An IP Address Conflict

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Your router is the gateway between your home network and the public Internet. When it receives information from the remote web, it sends the message to a specific device on your LAN.

To do this, it takes into account the local IP address of the device. Otherwise you would not be able to distinguish your printer from, for example, your smartphone or air purifier.

What we infer from this is that every device with Internet access must have a unique private IP address, including Windows computers.

If you notice that Windows has detected an IP address conflict error on one computer, it means that another device on your local network is already using that local IP address.

This is what it looks like:

Windows Has Detected An IP Address Conflict

How do I fix the Windows has detected an IP address conflict network error?

     1.Restart your router

Windows Has Detected An IP Address Conflict

  1. Pick up your router and find the power button on the back
  2. Press the power button to turn off all internet access in your home
  3. Wait a few minutes
  4. Turn the router back on

In most cases, Windows has detected an IP address conflict message due to certain glitches with your router.

Join our Router Troubleshooting Center to troubleshoot routers.


     2.Reset your IP address using CMD

Windows Has Detected An IP Address Conflict

  1. Run Command Prompt: Press Win + R, Type cmd, Press Enter
  2. Type ipconfig /release and press Enter to release your current IP
  3. Enter ipconfig /renew to reset your IP

A good way to fix Windows network errors is to release and renew your IP address.

Don’t worry if you don’t have internet access after using ipconfig /release. You are back online after entering ipconfig /refresh, which sends a request for a new IP address from your DHCP server.


   3.Refresh your network settings

Windows Has Detected An IP Address Conflict

  1. Run Command Prompt as Administrator
  2. Copy and paste the following lines (press Enter between each line)
    ipconfig /flushdns
    ipconfig / registerdns
    NETSH winsock reset catalog
    NETSH int ipv4 reset reset.log
    NETSH int ipv6 reset reset.log
    Departure
    Make sure to restart your PC after closing CMD.

Network conflicts can often be resolved by clearing your DNS servers and restarting Winsock, which is responsible for your TCP/IP configuration. It is the IP equivalent of turning the Internet on and off.


      4.Disable or reconnect to the VPN

Windows Has Detected An IP Address Conflict

Using Windows 10’s built-in VPN service to create a secure tunnel to the public internet can cause network errors.

For example, your VPN may have trouble reconnecting to the Internet when your PC wakes from sleep.

To resolve this issue, manually disable or reconnect the VPN service. However, if you’re looking for a long-term solution, consider using a premium VPN instead of a manual VPN connection.

Windows Has Detected An IP Address Conflict

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Use a dynamic IP address

Windows Has Detected An IP Address Conflict

  1. In Windows 10, right-click the Start button and go to Network Connections
  2. Click Change adapter settings
  3. Right click on your internet connection and select Properties
  4. Double click on Internet Protocol version 4 (TCP/IPv4)
  5. On the General tab, select Obtain an IP address automatically
  6. Click OK

If you have IPv6 connectivity, double click on Internet Protocol version 6 (TCP/IPv6) and select Obtain an IP address automatically there as well.

A static IP address could be the reason why you keep seeing that Windows has detected an IP address conflict message.

But you can solve the problem by forcing your PC to automatically obtain a dynamic IP address from your ISP.

Private Internet Access (Buy here) supports static and dynamic IP addresses.

If you’re having trouble changing the static IP address on your PC, try to force this option using PowerShell or Command Prompt (our guide will show you how).


      6.Disable IPv6 connectivity

Windows Has Detected An IP Address Conflict

  1. Go to Network Connections and click Change adapter options
  2. Right click on your internet connection and go to Properties
  3. Deselect Internet Protocol Version 6 (TCP/IPv6)
  4. Click OK

If your ISP has not assigned an IPv6 address to your home network, there is no point in leaving it enabled. It can even collide with IPv4 and cause network errors due to incorrect IP assignments.

The above steps only apply to your Windows computer. To do this thoroughly, you’ll need to disable IPv6 connectivity in your router’s admin panel.

Windows Has Detected An IP Address Conflict

7.Reinstall network adapters and update drivers

Windows Has Detected An IP Address Conflict

  1. In Windows 10, right click on the Start button and go to Device Manager
  2. Expand the Network Adapters menu
  3. Right click on your network adapter and click Uninstall device
  4. If you’re using a VPN, do the same for all TAP and Miniport listings
  5. Open the Action menu and select Scan for hardware changes

To get rid of Windows detecting an IP address conflict message, it’s a good idea to reinstall your network adapters.

And if this doesn’t fix the problem either, make sure to update your network drivers to the latest version. You can do this manually or by using a driver update tool.


      8.Change your DNS servers

Windows Has Detected An IP Address Conflict

  1. Go to Network Connections > Change Adapter Options
  2. Right click on your internet connection and select Properties
  3. Double click on Internet Protocol version 4 (TCP/IPv4)
  4. Select Use the following DNS server addresses
  5. Set the preferred DNS server to 8.8.8.8
  6. Set the alternate DNS server to 8.8.4.4
  7. Click OK

If your DNS resolution is faulty, it can cause various network errors, including IP conflicts on your local network. But you can solve this problem by changing your DNS server addresses.

In our example above, we listed the free and public DNS server addresses provided by Google Public DNS.

However, if you use a premium VPN service like Private Internet Access (shop here), you don’t have to worry about DNS issues.

While you stay connected to the VPN, PIA reroutes your network traffic through your private DNS servers to speed up your internet connection and protect you from DNS hijacking.

Conclusion

Basically, you can fix PC network errors, such as Windows detected an IP address conflict message, by restarting your router, resetting your IP address through Command Prompt, and updating network settings.

But you can also disable or reconnect your VPN, use a dynamic IP address instead of a static one, disable IPv6 connectivity if you are not using it, change your DNS servers and reinstall your network adapters and update your network drivers.

How did you resolve the network error? Did you use a solution not listed in this article? Let us know in the comment section below.

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