StarRupture Dedicated Server Guide (2026): Setup, Config Files & SaveSync

So, you and your squad want to build a mega-factory on Arcadia-7, but you need the world to stay online even when the host goes to sleep.

In automation games like StarRupture, uptime is critical. You want your drills to keep extracting resources while you are at work.

However, as of the January 2026 Early Access launch, setting up a dedicated server is officially labeled as an “Experimental Feature”. It requires precise configuration of network ports and .bat files.

In this guide, we will break down the setup process, provide the exact configuration codes you need, and explain why the new SaveSync feature might make dedicated servers unnecessary for some groups.

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1. Editor’s Note: Do You Really Need a Dedicated Server?
2. Prerequisites & Hardware Requirements
3. Method 1: The Steam Tools Way (Easiest)
4. Method 2: SteamCMD Headless Setup (Advanced)
5. Network Configuration: Port Forwarding Table
6. Advanced: Server Configuration Files (Game.ini)
7. Managing Your Server with XMODhub
8. ЧАСТО ЗАДАВАЕМЫЕ ВОПРОСЫ
9. Заключение

Editor’s Note: Do You Really Need a Dedicated Server?

Before you spend hours configuring router ports, read this.

On January 7, 2026, the developers released a critical update introducing SaveSync with Host Migration.

• The Old Way: If the host quit, the server shut down and everyone was kicked.
• The New Way: The game now automatically transfers the latest save file to other connected players. If the original host logs off, another player can instantly become the new host and continue the session seamlessly.

Our Recommendation:

• Use Peer-to-Peer (Co-op): If you only play when your friends are online. It is free, requires no setup, and now handles host migration.
• Use Dedicated Server: Only if you require a 24/7 persistent world where the factory must run while no one is online, or if you want to offload the CPU simulation load to a separate machine.

Prerequisites & Hardware Requirements

Running a simulation-heavy game like StarRupture requires significant CPU power, even without rendering graphics.

Component	Minimum Requirement	Recommended
CPU	Quad Core (3.0 GHz+)	Hexa Core (High Single-Thread Performance)
RAM	8 GB	16 GB (Late game factories)
Storage	10 GB SSD	NVMe SSD (Faster auto-saves)
OS	Windows 10/11 (64-bit)	Windows Server 2022

Note: The server is single-thread heavy. A CPU with high clock speed is better than a CPU with many cores.

Method 1: The Steam Tools Way (Easiest)

If you have a spare PC and want to run a server without using command lines, use the official tool included with your game purchase.

1. Open your Steam Library.
2. Click the dropdown filter (usually says “Games”) and check “Tools”.
3. Search for “StarRupture Dedicated Server”.
4. Install the application.
5. Do not launch it yet. You must verify your network ports first (see the Network Configuration section below).
6. Launch the tool. It will open a console window showing the server status.

Method 2: SteamCMD Headless Setup (Advanced)

For those renting a VPS or using a Linux box, SteamCMD is the industry standard.

1. Download SteamCMD and extract it to a dedicated folder (e.g., C:\StarRuptureServer).
2. Create the Update Script: Create a new file named UpdateServer.bat and paste the following code:

Code snippet

@echo off
start "" steamcmd.exe +login anonymous +force_install_dir "C:\StarRuptureServer" +app_update 3809400 validate +quit

3. Run the Update Script: Double-click the file to download the server files.

Create the Launch Script: Inside the installation folder, create StartServer.bat:

Code snippet

@echo off
StarRuptureServerEOS.exe -Log -MULTIHOME=0.0.0.0 -Port=7777 -QueryPort=27015 -ServerName="XMODhub Factory" -MaxPlayers=4

Network Configuration: Port Forwarding Table

If your server is running but friends cannot join, it is almost certainly a firewall or router issue. You must forward the following ports to the machine hosting the server.

Port Number	Protocol	Purpose
7777	UDP	Game Traffic (Gameplay)
27015	UDP	Steam Query (Server Browser)
27031-27036	UDP	Optional (Epic Online Services)

Tip: Ensure you add an inbound rule for these ports in Windows Firewall on the server machine as well.

Advanced: Server Configuration Files (Game.ini)

To change settings like passwords, auto-save intervals, or difficulty, you need to edit the configuration files.

Location: ...\StarRuptureServer\Saved\Config\WindowsServer\Game.ini

Common Settings: Add these lines to your Game.ini file to customize your server:

Ini, TOML

[/Script/StarRupture.ServerSettings]
ServerName=My Factory
ServerPassword=SecretPassword123
MaxPlayers=4
AutoSaveInterval=300
DifficultyMultiplier=1.0

• AutoSaveInterval: Value is in seconds (300 = 5 minutes).
• DifficultyMultiplier: Set to 0.5 for an easier experience, or 2.0 for harder enemy waves.

Managing Your Server with XMODhub

Running a server can be chaotic. Sometimes a bug glitches your resources, or a griefer destroys a critical power plant.

While the dedicated server console is limited, XMODhub allows you to manage the game state from the client side.

• Emergency Recovery: If a server bug wipes your storage crates, use Infinite Resources to restock them instantly so your factory doesn’t stall.
• Cleanup: Use Instant Build/Delete to rapidly remove griefed structures or clear terrain for a new community hub.

Note: Using XMODhub responsibly can save a 50-hour playthrough from being ruined by an Early Access glitch.

ЧАСТО ЗАДАВАЕМЫЕ ВОПРОСЫ

Q: Why does my server say “Steam Validation Failed”?

A: This usually means the server files are outdated. Run your UpdateServer.bat script again to verify the installation files.

Q: Can I increase the player limit beyond 4?

A: Officially, the game is capped at 4 players for stability. While you can force MaxPlayers=8 in the config file, it often leads to desync and crashes in the current build.

Q: Where are the save files located?

A: Save files are typically found in ...\Saved\SaveGames\. We highly recommend setting up an automated backup for this folder.

Заключение

Setting up a StarRupture dedicated server requires patience, but the reward is a living, breathing factory that never sleeps. Ensure your ports are open, your CPU is ready, and your Game.ini is configured correctly.

Your automation journey doesn’t stop here. XMODhub supports over 5,000+ games, ensuring you have the ultimate control tools for every factory you build.

Once your server is stable, bring your efficiency to these other fan-favorite titles:

• Satisfactory: Unlock Fly Mode and No Power Cost to build without limits.
• The Planet Crafter: Instant Terraforming and Infinite Oxygen.
• Techtonica: Instant Research and Mining Speed Boosts.
• Factorio: God Mode and Infinite Items for complex megabases.

If technical issues or bugs threaten your server’s progress, remember that XMODhub is here to help you fix the unfixable.

>> Download StarRupture Server Admin Tools (Trainer) <<