Make the change
- Stop the server and back up the active server folder, including the current WorkshopDownloadConfig.json.
- Copy each required item’s numeric ID from its Steam Workshop URL.
- Add the IDs to File_IDs, separated by commas, preserving valid JSON and any other existing settings.
- Start and allow Workshop downloads to finish before joining.
- Connect with a test client and check that it downloads the expected content. Select a Workshop map separately in Server/Commands.dat when needed.
Check the result
If a particular item fails, check whether it is public, still available and compatible with the game build. Do not remove the world save while repairing a Workshop download.
Related guides
Unturned server not showing up or unable to connect · Unturned server settings: Startup and configuration · Set an Unturned GSLT so your server appears publicly
Documentation
Server configuration reference · Project documentation 2
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