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Technical Modding Infrastructure

Managing modifications on a Project Zomboid (PZ) dedicated server is a rigorous two-stage technical procedure. Unlike simpler engines, PZ requires you to explicitly define both the Workshop ID (instructing Steam to retrieve the data) and the Mod ID (instructing the game engine to activate specific logic). If these two registries are not perfectly synchronized, the modification will fail to initialize, resulting in connection rejections for your players. This guide walk you through the professional configuration of your server’s .ini registry on the FREAKHOSTING platform.

Difficulty

Intermediate

Time

8 Minutes

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Step 1: Technical Asset Identification

Before modifying your configuration, you must retrieve the specific identifiers from the Steam Workshop portal.
1

Locate Workshop ID

Identify the 10-digit numeric string found at the base of the mod description or within the browser URL (e.g., 2843606331).
2

Retrieve Mod ID

Find the alphanumeric technical name provided by the creator (e.g., BetterSorting).
  • Strategic Note: A single Workshop ID may contain multiple Mod IDs (e.g., separate “Easy” and “Hard” logic modules). Ensure you only authorize the specific variant you intend to use.

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Step 2: Configuration & Deployment

Navigate to your server’s primary directory path: /Zomboid/Server/. Open your active configuration file (typically servertest.ini).

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1. The Download Registry

Locate the WorkshopItems= variable. Input the numeric identifiers, ensuring every entry is separated by a semicolon (;). This instructs the FREAKHOSTING node to synchronize these assets with the Steam network during every boot sequence. WorkshopItems=2843606331;123456789;555555555

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2. The Logic Activation Registry

Locate the Mods= variable. Input the alphanumeric Mod IDs in the corresponding sequence. Mods=BetterSorting;ModNameA;ModNameB

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Strategic Map Load Order

Implementing custom maps (e.g., Raven Creek or Bedford Falls) requires an additional configuration step to ensure the world geometry renders correctly.
Locate the Map= variable. You must position your custom map identifiers before the vanilla world reference (Muldraugh, KY).
Correct Syntax: Map=RavenCreek;Muldraugh, KY

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Managing Mod Updates

When a mod author publishes an update to the Workshop, your server will automatically detect the change upon its next Restart. If players encounter a “Version Mismatch” error, simply trigger a reboot via the Game Panel to force a fresh technical handshake with the Steam API.

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Need Extra Help?

If you encounter any issues, our support team is ready to assist:

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Last Updated: January 2026 | Project Zomboid: Mods configured.