Notes

Each Time You Start Your Server

This post is over one year old and may have outdated information. Setting up a Minecraft server on your home Windows computer is fairly easy. You can play with your friends over a local network (LAN) or on the Internet within minutes if you have basic knowledge of computers.



Note: This guide applies to the Java version only. The original Minecraft version is available for PC. Every player who wants to connect must have purchased Minecraft Java Edition from minecraft.net. The console and mobile versions are not compatible with the Java version, and for those you'll need to use Minecraft Realms.



Computer Performance Requirements To reduce latency, I suggest a wired network. You might need more power depending upon how many players you have on your server. You can also stop as many background and running programs as possible.



I recommend that you have at least 4GB RAM and a new processor and graphics card if you intend to play Minecraft on the same computer as the server.



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Step 1: Download the Latest Java Version



Java.com/en/download to download the latest version.



Step 2: Download the Minecraft Server



The official download page has the latest version. It will be a file called server.jar. Put that downloaded file in a folder where you'd like to run the Minecraft server.



Step 3: Start the Server



Open a Windows command prompt within the folder where the server jar file is stored. To make it easy, hold down shift and right-click on an empty space in the folder.



To start the server, type this command into the command prompt



java Xmx1024M.Xms1024M.jar nogui. You can paste your command into the command prompt using right-clicking on the command prompt and choosing paste. (Ctrl+v will not work in command prompts).



Using PowerShell Instead of Command Prompt If the command prompt didn't work or you would prefer to use PowerShell, you can and it works similarly. Servers PowerShell must be open in the directory server.jar is located. This may not work on all Windows versions. Search online if you're unsure how. Once you're in the correct directory, you can run the same command as above. Note: To paste into PowerShell you only need to right-click inside the window.



Once ran, the Minecraft server will create some files in the folder it resides in and you should receive an error message about the EULA:



You will have to open the generated eula.txt file and set:



After you have done that, run the command again. After that, a new environment should be created. Your server should now be running.



Step 4 - Server Commands



The server is controlled using server commands that you enter in the command prompt. View the basic server commands here and familiarize yourself with them. At the very least, know how to use stop, which safely closes down the server and saves the world.



Step 5 - Connect to Your Server



Open the regular Minecraft game, click Multiplayer, then click Direct Connect. Based on your current location relative to the server, you'll enter an IP address.



On the same computer If you're playing Minecraft on the same computer as the Minecraft server, enter 127.0.0.1:



On another computer in the network If you're on another computer in the local network (connected to the same router), enter the local IP address of the computer that's running the server. To find the IP address, go to your server's computer and enter ipconfig into the command prompt. Although the IP address should be similar to 192.168.1.1 in appearance, the last two numbers might be different.



(The IP address given above is an example only.



Over the Internet To connect to the Minecraft server over the Internet, you'll need to know the external IP address of the computer the Minecraft server is on. You can find it by browsing to whatismyip.com while on the Minecraft server PC. It will be four sets of numbers separated each by periods. It may look something like 65.214.224.57 but each set of numbers will be different.



If the computer that the Minecraft server is on is connected via a router to the Internet modem, which it should be for security reasons, then you'll have to make sure the router is properly port forwarding Minecraft Internet traffic to the computer that has the Minecraft server on it (even if you only have the one computer).



Port forwarding allows your router to send the right traffic to the right computers. Minecraft uses port 25565, so the router needs to be setup to send any traffic on port 25565 to the computer that has the Minecraft server.



Go to portforward.com and scroll down to find your model router. The model number is typically listed on the back or front of your router.



Next, select the game you want to port forward for, which is "Minecraft Server" in this case. This may indicate that you need a static address. It's referring to the internal IP address. Each time a computer is connected or turned on, it receives an internal IP address. It usually stays the same but can sometimes change. If you want to disconnect your computer from the router or turn it off, you may need to modify the settings. If you run Minecraft server a lot and shut down your computer often, you may want to look into giving your computers static local IP addresses.



Once you've forwarded port 25565 to the correct computer, you can test it at www.yougetsignal.com/tools/open-ports. Make sure to check port 80 (default port for website traffic) For additional troubleshooting, see the Minecraft server install wiki.



Be aware that your local and remote IP addresses may change if you turn off your computer or reset the modem. Every time you start a server, double-check the IP addresses and update settings accordingly.


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