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FAQ

General Information​

The basic configuration of a Minecraft server is a key stage that determines the stability, security, and comfort of gameplay on your server.
On this page, you'll find answers to the most frequently asked questions (FAQ) regarding the first steps with your own server—from settings that allow players with non-premium versions to join, through troubleshooting common errors, to practical tips about technical parameters.

Configuring a server is mainly based on editing files such as server.properties, spigot.yml, bukkit.yml, purpur.yml, paper-global.yml, etc., and adjusting them to your needs.
It should also be noted that choosing the right core and offer is important—see the guides:

How to allow non-premium players to join the Minecraft server?​

  1. Turn off the server in the Console tab.
  2. Go to the Files tab.
  3. Open the server.properties file and find the line online-mode=
    • Set the value to: online-mode=false.
  4. Save the file and restart the server (click START in the Console).

"Chat Verification Error" Message​

  1. Turn off the server in the Console tab.
  2. Go to the Files tab.
  3. Upload the FreedomChat plugin into the plugins folder.
  4. Return to the main server folder.
  5. Open the server.properties file and find the line enforce-secure-profile=
    • Set the value to: enforce-secure-profile=false.
  6. Save the file and restart the server.

How to change render-distance on the server?​

  1. Turn off the server in the Console tab.
  2. Go to the Files tab.
  3. Open the server.properties file and find the line view-distance=
    • Set the value (in chunks), e.g., view-distance=10 (max. 32).
  4. Save the file and restart the server.

How to give yourself OP on the server?​

  • Use the command: op [player_nickname] in the Console tab.

Important: Do not use / in the console.

How to change the number of slots on the server?​

  1. Stop the server in the Console tab.
  2. Go to the Files tab.
  3. Open the server.properties file and find the line max-players=
    • Set the value to the desired number of slots, e.g., max-players=50.
  4. Save the file and start the server again (click START in the Console).

How to change the server IP?​

You cannot change the server IP, but you can:

What to do if the server won't start?​

Always attach the logs/latest.log file, preferably sent through tools.icehost.pl

How to reset the server world?​

  1. Turn off the server.
  2. Go to the Files tab.
  3. Delete the world folder (default world).
  4. Restart the server.
WARNING:

This process is irreversible! Make a Backup

How to set a world seed?​

  1. Turn off the server.
  2. Go to the Files tab.
  3. Delete the world folder (default world).
  4. Open the server.properties file and find the line level-seed=
  • After =, enter your seed.
  1. Restart the server.
WARNING:

This process is irreversible! Make a Backup

How to manage the whitelist?​

The easiest way is using commands:

  • /whitelist on – enables whitelist
  • /whitelist off – disables whitelist
  • /whitelist add [player_name] – adds a player
  • /whitelist remove [player_name] – removes a player
  • /whitelist list – player list

How to set your own MOTD (server description)?​

Method 1 – via server.properties:​

  1. Turn off the server.
  2. Open server.properties.
  3. Find the line motd= and enter your description.
    You can design it here: mctools.org/motd-creator
  4. Restart the server.

Method 2 – MiniMOTD plugin:​

  1. Put the MiniMOTD plugin into the plugins folder.
  2. Start and then stop the server.
  3. Open the file plugins/MiniMOTD/main.conf
  4. Change:
  • line1="<gold>Server Hosted at <bold><blue>Ice<white>Host.pl"
  • line2=""
  1. Restart the server.

"Failed to verify username" error​

  1. Turn off the server.
  2. Open the server.properties file.
  3. Find online-mode= and set: online-mode=false
  4. Restart the server.

How to upload a custom server core?​

See the guide: How to change the core version?

How to optimize the server?​

Check this optimization guide:
https://github.com/YouHaveTrouble/minecraft-optimization
This is only basic optimization, which should help relieve server load at least a little.

How to set up automatic backups?​

Use the Schedule tab in the panel. Details can be found in the guide Schedules – Server Automation

How to change server difficulty?​

Method 1 – via server.properties​

  1. Turn off the server.
  2. Open the server.properties file.
  3. Find difficulty= and set:
  • peaceful, easy, normal, hard
  1. Restart the server.

Method 2 – via Console​

  • Enter the command: difficulty peaceful|easy|normal|hard

What happens when you change your offer?​

  • Worlds and data will not be deleted.
  • Only server parameters will change (RAM, disk, number of vcpus).
  • Before changing, make a backup to ensure you do not lose anything!

How to set a flat world?​

  1. Turn off the server.
  2. Open the server.properties file.
  3. Find the generator line and set:
  • level-type=flat
  1. Delete the world folder (world).
  2. Restart the server.

How to upload files larger than 100MB?​

Use SFTP (Secure File Transfer Protocol). SFTP allows secure and fast transfer of large files directly from your computer to the Minecraft server. How to connect to SFTP?

Unable to Access Jarfile Error​

The Error: Unable to access jarfile error means that the server cannot find the server.jar file.
Make sure the server.jar file is located in the Files tab. If this file is missing, select any core from the Core Versions tab - it will be automatically downloaded to the server.

Connection Refused: No Further Information Error​

The Connection refused: no further information error means that Minecraft cannot establish a connection to the server because it was rejected.
Check the following issues:

  • Is the server running? Check the status in the console - on the left side of the console it should say RUNNING.
  • Are you using the correct address? You can find the correct IP address in the console on the left side marked as IP-1 or IP-2.
  • Are the mods synchronized? Make sure that the mods installed on the server are identical to those in your client.

Flying is Not Enabled on This Server Error​

The Flying is not enabled on this server error appears when a player gets kicked from the server for flying in survival mode when this feature is disabled.

  1. Turn off the server in the Console tab.
  2. Go to the Files tab.
  3. Open the server.properties file and find the line allow-flight=
    • Set the value: allow-flight=true.
  4. Save the file and restart the server.

Connection Closed - Mismatched Mod Channel List Error​

The Connection closed - mismatched mod channel list error occurs when the list of mods installed by the player is not identical to the one on the server.

Solution:

  • Compare the contents of your mods/ folder with the mods/ folder on the server.
  • Check if all mod versions are identical.
  • Make sure you are using the same mod platform - Forge and Fabric are incompatible with each other.

Outdated Server! I'm Still on (Server Version) Error​

This message means that the server is running on an older version of Minecraft than your game.

For players:
The easiest way is to change the game version in the launcher to the one indicated in the error message.

For server owners:

  • Change the server version in the Core Versions tab.
  • To allow players to join from different versions, install the ViaVersion plugin.