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To set a password on an Icarus dedicated server, stop the server, open Icarus/Saved/Config/WindowsServer/ServerSettings.ini in Files, set JoinPassword=YourPassword under [/Script/Icarus.DedicatedServerSettings], save and start the server. Players then enter the password when they join. Leave JoinPassword= empty for a server without a password.

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Before you start

  • You need ServerSettings.ini. If the file isn’t in Icarus/Saved/Config/WindowsServer/ yet, create it as shown in getting started.

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How to set or change the Icarus server password

1

Stop the server

Open your server in the Game Panel and click Stop.
2

Open ServerSettings.ini

Click Files, open Icarus > Saved > Config > WindowsServer and click ServerSettings.ini.
3

Set JoinPassword

Change the JoinPassword line, for example:
4

Save and start

Click Save Content, then Start.

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How to remove the password

Set the line to JoinPassword= with nothing after it, save and restart. The server is then open to anyone who finds it.

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Join password and admin password

Use two different passwords. Anyone who knows the admin password can kick and ban players. See become admin.

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If the password doesn’t work

  1. Check the file name and folder. It must be ServerSettings.ini in Icarus/Saved/Config/WindowsServer/.
  2. Check the section line. The first line must be [/Script/Icarus.DedicatedServerSettings].
  3. Restart after a change. The server reads the file when it starts.
  4. Type it exactly. Retype it by hand instead of pasting, and match capitals.

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Frequently asked questions

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Can I set the password on the Startup page?

No. Startup only has Server Name, [REQUIRED] Server Query Port and AUTO_UPDATE. The password is set in ServerSettings.ini.

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Can I use spaces in the password?

Stick to letters, numbers and simple symbols such as - and _ so everyone can type it.

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Can I whitelist players instead?

RocketWerkz’s server settings have no join whitelist. Use a join password, and ban players who shouldn’t be there.

Icarus server guide

Every Icarus page in one place.

ServerSettings.ini explained

Every key and its default.

Become admin

AdminPassword and /AdminLogin.

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Find your server.
Tested by the FREAKHOSTING team on our Game Panel on 3 November 2026 (Icarus Dedicated Server), and checked against the official RocketWerkz server config docs. Steps may differ slightly if the game changes.

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Last Updated: November 2026