If a network in your office is not working properly, you generally try to connect to some other network. But at times, instead of internet accessibility, you can encounter the error message “Windows has detected an IP address conflict”.
Basically this error comes up when two devices in the same network are having similar IP addresses. When this error occurs, the two computers in the same network are unable to connect to the internet.
There are multiple causes for the occurrence of this issue. If there is a ‘Static IP’ present within the computer, then you might face this problem. Or, if the IPv6 feature is enabled, then also you might face this problem.
Further, if the IP address configuration of the device has any malfunction, then also you can encounter this glitch. Go through this article completely and apply the methods given in the section below to rectify this problem quickly.
Fixing Windows has Detected an IP Address Conflict
This is the section of the article that guides you through the fixes which you can use to easily resolve “Windows has detected an IP address conflict”.
Fix 1: Execute the Network Adapter Troubleshooter
In order to fix this problem, the first and foremost thing to do is to execute the Network Adapter troubleshooter. The Network Adapter troubleshooter will find the error with the network and then automatically fix it. Here are the steps to run it.
- First, tap on the combination of keys ‘Windows + I’ together. This action will open up a new window having the name ‘Windows Settings’.
- Inside that window, there will be various types of settings categories specific to the Windows Operating System, that you can choose at your will.
- Among those categories locate and choose the ‘Update & Security’ option. As soon as you click on that option, a new page will come up, in it, go to the left pane and choose the ‘Troubleshoot’ option.
- Now, move to the right pane of that page having the name ‘Troubleshoot’ and search for the ‘Network Adapter’ troubleshooter. Once you have found this troubleshooter, click on it.
- After that, from the bottom of this option, tap on the ‘Run the troubleshooter’ button. Now, a new window will appear and the troubleshooting process of the network adapter will begin automatically. Wait for this process to get over.
- At last, when the troubleshooter completes executing, reboot the machine and check if this issue is fixed or not.
Fix 2: Set the TCP/IP Configuration Once Again
If the IP address settings get botched up somehow, then this problem may crop up. The easiest solution to resolve this problem is to reset the TCP/IP configuration of the computer. In order to do that, follow the steps below.
- First, press the keys “Windows + S” simultaneously to open the default search of the Windows OS.
- In this section, type in the text “command prompt” and then from the result of that search, locate and right-click on the ‘Command Prompt’ option. Next, from the popup menu that comes up, locate and choose the ‘Run as administrator’ option.
- As soon as you do that, a new window having a black background, white text, along with the name ‘Command Prompt’ will come up.
- Inside that window, type in the following commands “netsh Winsock reset”, “netsh int IP reset c:\restlog.txt” and then press the “Enter” key after each of them.
- Once the execution of the above two commands is over, input the next following sets of commands – “ipconfig /release”, “ipconfig /renew”, “ipconfig /flushdns” and tap on ‘Enter’ key after each of those.
- Now, close the ‘Command Prompt’ window and restart the machine.
- Finally, when the computer starts up once again, check if this error comes back or not.
FIx 3: Delete the Static IP
If there is a Static IP set within the computer, then there is a possibility for you to face the Windows IP address conflict problem on Windows 10. Now, the best solution to resolve this problem is to remove the Static IP from the computer.
- First, go to the bottom right side of the taskbar and then locate and right-click on the ‘Networking’ icon.
- After that, from the popup menu that comes up, choose the ‘Open Networking and Sharing Center’ option.
- Now, a new ‘Control Panel’ window having the title ‘Network and Sharing Center’ will come up.
- Inside that window, go to the left pane and choose the ‘Change adapter settings’ link. As soon as you click on that link, another page within that window will come up.
- From that window, locate and right-click on the currently active network. Then, from the popup menu that comes up, locate and select the ‘Properties’ option.
- Now, a new ‘Properties’ window of the currently active network will come up. Inside that window, choose the ‘Networking’ tab.
- Under that list, choose the ‘Internet Protocol Version 4(TCP /IPv4) from the list and then click on the ‘Properties’ button. A new window having the title ‘Internet Protocol Version 4 (TCP/IPv4) Properties’ will come up.
- Within this window, choose the ‘General’ tab. Under this tab, tick the following radio buttons ‘Obtain an IP address automatically’ and ‘Obtain DNS server address automatically’’. After that, choose the ‘OK’ button
- Finally, reboot the computer and inspect if this error is resolved or not.
Fix 4: Update the Network Adapter Drivers
If the network drivers of the computer are not up to date then you can meet with this issue. The most feasible solution to rectify this problem is to update drivers of the network adapter. For that to happen, follow the steps below.
- First, right-click on the ‘Windows’ logo to open the ‘Options’ menu of the Operating System.
- Inside that menu, from the list, locate and then choose ‘Device Manager’. Now, a new window with the name ‘Device Manager’ will come up.
- Inside that window, there’ll be a list full of all the devices installed within the computer along with their respective drivers in a sublist. From that list, locate and choose the ‘Network adapters’ device.
- After that, to reveal all the drivers on the sublist of the ‘Network adapters’, click on the arrow present beside it.
- Next, from the sublist, choose and right-click on the first driver. Then, from the popup menu that comes up, select the ‘Update Driver’ option.
- Now, a new dialog box will come up with two distinct links. Among those two links, choose the first one “Search automatically for updated driver software”. When you click on that link, the OS will automatically search for an update to the driver.
- If there is an update available, then those will be downloaded and installed automatically.
- Repeat the fifth, sixth and seventh steps of this method to update all the remaining drivers of the ‘Network adapters’ device.
- At last, once all the drivers are up to date, restart the computer and check if this error comes up or not.
Fix 5: Disable IPv6 Feature
If the IPv6 feature within the Windows machine is active, then also you can face this issue. The only answer to getting rid of this issue is to deactivate the IPv6 feature. To do that, follow the steps below.
- First, tap on the keys ‘Windows + R’ keys together to open the ‘Run’ dialog box. Inside that dialog box, input the text ‘ncpa.cpl’ and then click on ‘OK’.
- Now, to open the ‘Properties’ window of the active network adapter, go to method 3 of this section and follow the third, fourth, fifth and sixth steps.
- Now, locate and then uncheck the ‘Internet Protocol Version 6 (TCP /IPv6)’ and click on the ‘OK’ button.
- Lastly, restart the device and then see if this issue is still present or not.
Fix 6: Restart the Router
If not a single process above can solve this problem, then as a last solution all you can do is perform a simple restart of the router. Here are steps that you can follow.
- First, turn off the router by pressing the Power button.
- Unplug all the cables like ‘Ethernet’, ‘Power’ from the router and wall socket respectively.
- Wait for a minute and plug the cables back into their proper places.
- Finally, power on the device and then see whether this error is fixed or not.
Fixing the ‘Windows has detected an IP address conflict’ should be easy if you follow the fixes stated above. Please mention which of the methods worked for you in the comment section below.