Note: The ‘Can’t resolve hostname’ error means that the hostname you are trying to connect to cannot be resolved to an IP address. After a deep investigation of this issue, we came up with a shortlist of possible culprits that cause this error to happen: Now that you are aware of all the possible causes that trigger this error, here is a list of methods that will help you get rid of the ‘Can’t resolve hostname’ error:

Make sure that the server’s IP address is written correctly

Before jumping straight to the fixes, some affected players suggest that you should double-check the server’s IP address to see if it is mistyped. Make sure that there are no extra spaces or characters in the address you typed to confirm that this is not the problem. After you are sure that the server’s IP address is typed correctly, try to access the server again to see if the issue still occurs. If you’ve done that and the error still appears, check below the following method.

Disable Firewall for Minecraft

A few players suggest that you will fix the ‘Can’t resolve hostname’ error by disabling the Windows Firewall for Minecraft. The Windows Firewall is used to protect your Windows system from network-based threats. You can always configure these Windows Firewall settings from the Control Panel settings. If you don’t know how to do that, follow the next instructions:

Edit the DNS server address

Some people recommend changing the DNS server address for your network to fix the ‘Can’t resolve hostname’ error. The DNS server is set by default to pick an address automatically, so you have to change that from the Settings. A DNS server is a computer server that contains a database of public IP addresses and their associated hostnames, and in most cases serves to resolve, or translate, those names to IP addresses as requested. Follow the next guide if you don’t know how to change the DNS server address:

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