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Over the past few minecraft releases, there has been a known bug regarding connectivity issues. More specifically, for versions: 1.7, 1.8, 1.9, 1.10, 1.11, and 1.12. This bug has nothing to do with mojang/microsoft, or the source code of minecraft, it's actually directly related to your system (computer), router, and/or modem. This doesn't have to do with your version of minecraft.
This bug, is commonly referred to as the "Unknown Host" error. With this, you are unable to join the server you want to play on and as a result, you become frustrated. After checking that the IP that you entered was correct, you're unsure what the root cause of the problem is, why it's happening to you, and how quickly you can resolve this issue so you can join the server you've been longing to join.
Well, you've come to the right place! Here, I will be offering my solution(s) to this problem.
However, before you dive in, ask a friend who isn't the server host and the server host to see if that server is actually up and running and working for other people. If it is, and you are still given this error, then read further:
Other to VPN or using a different network, there is an alternative way to fix this issue.
My solution(s) below modify your DNS network settings on your local system. MacOSX, Linux, and Windows solutions are provided. If you are in need of assistance with a specific configuration (especially with Linux or Windows) just comment below.
All research has been found/done on my own. If you have any specific questions, especially with MacOSX, please feel free to message me or comment below.
If the information above has not worked for you, please, before commenting / messaging, read through the other comments to see if someone else has had or is having a similar issue. My general comment response time is a few days.
When commenting, please be as specific as possible. I want to help as best as I can and that requires clear questions.
If even after my response there has been no help, I recommend trying VPN and / or changing your external IP address, either through VPN or by switching routers / locations.
Furthermore, I hope this article was helpful to you.
This bug, is commonly referred to as the "Unknown Host" error. With this, you are unable to join the server you want to play on and as a result, you become frustrated. After checking that the IP that you entered was correct, you're unsure what the root cause of the problem is, why it's happening to you, and how quickly you can resolve this issue so you can join the server you've been longing to join.
Well, you've come to the right place! Here, I will be offering my solution(s) to this problem.
However, before you dive in, ask a friend who isn't the server host and the server host to see if that server is actually up and running and working for other people. If it is, and you are still given this error, then read further:
Other to VPN or using a different network, there is an alternative way to fix this issue.
My solution(s) below modify your DNS network settings on your local system. MacOSX, Linux, and Windows solutions are provided. If you are in need of assistance with a specific configuration (especially with Linux or Windows) just comment below.
Mac OSX
1. Go to System Preferences and choose Network.
2. Under Network, make sure that Wireless is selected (if using an ethernet cable, please select ethernet on left side).
3. Select Advanced and then go to the DNS Section of this menu.
4. Navigate to the + sign below the 'DNS Servers' Section, click it.
5. There, type in 208.67.222.222 or 208.67.220.220 (you may add both, but one should work alone)
6. If this does not work, Click Cancel, and then at the bottom click Revert.
2. Under Network, make sure that Wireless is selected (if using an ethernet cable, please select ethernet on left side).
3. Select Advanced and then go to the DNS Section of this menu.
4. Navigate to the + sign below the 'DNS Servers' Section, click it.
5. There, type in 208.67.222.222 or 208.67.220.220 (you may add both, but one should work alone)
6. If this does not work, Click Cancel, and then at the bottom click Revert.
Windows
Dialup Users:
1. Go to My Computer>Dialup Networking.
2. Right-click your internet connection and select Properties.
3. A window will open - click the Server Types tab. Click TCP/IP Settings.
Other Users:
1. Go to Control Panel>Network Connections and select your local network.
2. Click Properties, then select Internet Protocol (TCP/IP).
3. Click Properties.
Once at the Internet Protocol (TCP/IP) Properties:
1. Click Advanced, and Navigate to the DNS Tab
2. Add the DNS Servers of 208.67.222.222 or 208.67.220.220 (you may add both, but one should work alone)
3. If these steps do not work, you may visit the following link and enter the above servers when requested: Windows 10 and below
1. Go to My Computer>Dialup Networking.
2. Right-click your internet connection and select Properties.
3. A window will open - click the Server Types tab. Click TCP/IP Settings.
Other Users:
1. Go to Control Panel>Network Connections and select your local network.
2. Click Properties, then select Internet Protocol (TCP/IP).
3. Click Properties.
Once at the Internet Protocol (TCP/IP) Properties:
1. Click Advanced, and Navigate to the DNS Tab
2. Add the DNS Servers of 208.67.222.222 or 208.67.220.220 (you may add both, but one should work alone)
3. If these steps do not work, you may visit the following link and enter the above servers when requested: Windows 10 and below
Linux/Unix/BSD
I have not used Linux/Unix systems in awhile, but this will help you to add the name servers using the shell/terminal. You do not need to do the steps after ADDING THE NAMESERVERS. THE NAMESERVERS LISTED AT THE LINK ARE THE SAME AS : 208.67.222.222 / 208.67.220.220
Help / Steps: Linux/Unix/BSD
Help / Steps: Linux/Unix/BSD
All research has been found/done on my own. If you have any specific questions, especially with MacOSX, please feel free to message me or comment below.
If the information above has not worked for you, please, before commenting / messaging, read through the other comments to see if someone else has had or is having a similar issue. My general comment response time is a few days.
When commenting, please be as specific as possible. I want to help as best as I can and that requires clear questions.
If even after my response there has been no help, I recommend trying VPN and / or changing your external IP address, either through VPN or by switching routers / locations.
Furthermore, I hope this article was helpful to you.
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i did all the things you asked but i still can't join my friends 1.11.2 server. I got Windows 10.
is there another way to fix this problem, I am totally lost. my friend won't give me his IP address in numbers please i really want to play on this server.
Does another person who isn't the host have the ability to join? Are you the only one experiencing this issue?
Have you tried using a different internet source (go to a friends house and try, or use free public wifi)? Have you tried VPN?
To me it seems you have only pondered the solution in the spoilers. I want you to answer these questions so please bear with me. If you've already done those things, answers should be quick and easy.