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Fix Windows Has Detected An IP Address Conflict In Windows 10

Are you getting Windows has detected an IP address conflict error when connecting to a wireless network or through an Ethernet cable? Due to this IP conflict You will lose the connection to your network, Disconnect from Internet or the connection will become unstable. If Two different computers have assigned same IP Address when they’re either on Local Area Network or on the web windows will Show IP Address conflict Error. The Full Message will be like :

Windows has detected an IP address conflict
Another computer on this network has the same IP address as this computer. Contact your network administrator for help resolving this issue. More details are available in the Windows System event log.

If you are also suffering with this problem Here apply bellow solutions to get rid of Windows IP conflict Error. But Before Apply the solutions lets first understand the problem. What is IP address And why This IP Address conflict happen ?

What is IP address

IP address is a unique address That your computer gets when it connects to a network. It’s the computer’s address and identity which is used to identify it among all the other computers and network devices. For Ex : When you connect your computer, smartphone, or any other devices to a local network/ Wifi Network all the devices will get a unique IP address. The primary purpose of this is to provide a critical addressing technique to the network and its element. It is often used to distinguish each device on the same network as well as to communicate to each other. You can also call it as the internal IP (Internet Protocol).

Why IP Address Conflict ?

As Discussed Before Every Device have a unique Identity ( IP Address ) to communicate on internal network. But sometimes a few things don’t go the way they were designed because of malfunctions or wrong configurations. On same Network If Two Devices Get Same IP Address you will Get the Windows Has Detected An IP Address Conflict Error.

For Ex: when you connect one desktop, one laptop, and one smartphone into the same wireless network, then each device will have its own IP address, and it’s unique. But if due to some reason If two devices haveing same IP Address This will cause IP conflict like Windows Has Detected An IP Address Conflict.

Fix Windows Has Detected An IP Address Conflict

As discussed before each device must have a unique IP address to work properly. Otherwise, that device won’t be able to communicate with other devices, as well as access the Internet, and it will be considered as an unconnected device. And if there are there are two devices that are using the same IP address on the same local network you will get the IP conflict Error. To Fix This you simply need to isolate either machine from being using same IP address. Once the either machine is having different IP address assigned, this message would no longer appear.

Restart Your Router

Start with basic troubleshooting First Restart your Router, Modem. Because some times Your router can be failing to assign appropriate IP address to the connected device. This can be caused by a temporary glitch, but a simple reboot/power cycle will fix this. To do this, switch off the router, wait 1-2 minutes and turn it back on. After restarting your modem or wireless router, connect your computer to the network and check again whether the error is gone or not.

Release and Renew IP Address

If after rebooting your modem or router Still Problem continues, then probably it’s a fault of your computer network configuration. So, let’s force your Windows PC to ask the DHCP server (modem/router) for a new IP address. To do so, you can reset all the IP configuration, as well as release and review the IP.

Open Command prompt As Administrator. You can do this by first click on start menu search type cmd, From search Results select and right click on command prompt and select run as administrator. Now Type fallowing commands one by one and hit enter key to execute the command.

netsh int ip reset c:\resetlog.txt

ipconfig /release

ipconfig /flushdns

ipconfig /renew

Release and Renew IP Address

After that, reboot your Windows computer and test again if the error is still there or gone.

Assign IP Address Manually

If both methods above can’t help you to fix the Windows has detected an IP address conflict, I would recommend configuring static IP address / Assign Different IP Address for your computer manually.

To do this simply press Win + R then type ncpa.cpl and hit enter key. On Network connections window choose the network adapter that you are currently using. Then right click your active connection Network adapter and select properties. Here double-click on the “Internet Protocol Version 4 (TCP/IPv4)” option.


In the next step, configure your static IP following the details of your modem or router .

  • IP address: This is the static IP of your computer that you want to assign. For example:
  • Subnet mask: The subnet mask often is
  • Default gateway: This is the IP address of your router. It often is

Note: If the IP address of your modem/router is different, such as, then your static IP address needs to follow its form, for example, Otherwise, your Windows computer won’t be able to connect to the network.

  • Prefered DNS server:
  • Alternative DNS server:

assign ip address manually

After you fill in all essential details, click on the “OK” button and then restart your computer. Check now problem solved, connected to network and internet without any problem.

Run Network Adapter Troubleshooting Tool

Above Two solutions ( Release and renew IP Address and Manually Assign IP address ) are the best working solutions to fix this IP Conflict Error. If after IP reset or manually Assign IP address to windows computer still getting Windows has detected an IP address conflict Error. Then you must check Network Adapter for Errors using windows inbuilt Network Adapter Troubleshooting tool and let windows to find out the solutions for it.

“You can run Network Adapter Troubleshooting tool from Control panel -> View by small icons -> Troubleshooting -> View All. Here select Network Adapter , click on Advanced and tick Apply repair Automatically click on next and fallow on screen instructions to run the tool and fix network Adapter problems. After that restart and check problem solved.

network adapter troubleshooting tool

Note : we strongly recommend after run this troubleshooting tool again perform IP release / renew and check problem solved or not.

Disable IPv6

Also some windows users report disable IPV6 will solve IP conflict Error for them. You can also try to dsable IPv6 by fallowing steps bellow to get rid of this problem.

Press Win + R, then Type ncpa.cpl and hit enter key. Select the active network Adapter, Right click on it and select properties.

disable IPv6

Here scroll down and look for internet protocol version 6 ( TCP/IPv6 ) simply uncheck it and click ok to apply the changes. Restart windows check Windows has detected an IP address conflict error solved on your Windows PC.

These are some best working solutions to fix Windows has detected an IP address conflict error, IP conflict Error on Widnows 10 computers. I hope after apply this solutions your problem will get solved, still have any query suggestion Feel free to comment bellow.

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