Learn how to fix and resolve an IP address conflict. IP address conflict happens when two computers on the same LAN network end up with the same IP address. It can then lead to both computers being unable to connect to the internet. To resolve this issue, other than reboot the router or computer — normal way, here is another simplest method to fix an IP address conflict issue.
There are two types of IP address, it can be either static or dynamic. A static IP address is manually assigned and it never changes. On the other hand, dynamic IP address is automatically assigned every time your computer connects to the Internet or router and is only temporary.
However, an IP address conflict can happen to both static and dynamic IP address. The common errors you will see when you have an IP address conflict issue are “There is an IP address conflict with another system on the network” or “This IP address is already in use on the network. Please reconfigure a different IP address.”
How to fix and resolve an IP address conflict
Release and renew IP address
You can proceed with below steps if you still encounter IP address conflict issue even after rebooting your computer or router.
Step 1: On your computer, click on “Start” button, type “CMD” and click “Enter” to open Command Prompt.
Step 2: Type the following command and press “Enter” to release your IP address:
- If your computer is using static IP address, you might get an error message like “The operation is failed…”. Don’t worry, proceed to the next step
Step 3: Type the following command and press “Enter” to renew your IP address:
- After a few second, it will display the result and your new IP address will be on the right of “IPv4 Address”
Re-configure static IP address
Step 1: On your computer, click on “Start” button and open “Setting”.
Step 2: Click on “Network & Internet”.
Step 3: Under “Change your network settings”, click “Change adapter options”.
Step 4: Right-click on your current network adapter and select “Properties”.
Step 5: In “Networking” tab, select “Internet Protocol Version 4 (TCP/IPv4)” and click on the “Properties” button.
Step 6: Check the option for “Obtain an IP address automatically” to obtain an IP address automatically from a DHCP server.
- or check the option for “Use the following IP address” if you know what you’re doing, and enter the new IP address
Your IP address conflict issue should be resolved by now. If the issue still persists, try updating your router firmware. If you have any issue with your router, you can read this article about wireless network issue and potential solutions.