Connection desk
Build 42 Multiplayer and Server Help
Current mod, hosted co-op, dedicated-server, exact-version, and joining-game diagnostics for Build 42.20.x.
P0 · solve first
Protect the run before exploring
Version, save, mod, and server questions with immediate consequences.
Official Build 42 screenshotProject Zomboid Build 42 Mod Compatibility Guide
Check whether a Project Zomboid Workshop mod targets Build 42.20, its dependencies are current, and it is suitable for solo or multiplayer.
Open field noteOfficial Build 42 screenshotProject Zomboid Build 42 Mods Not Working
Diagnose Project Zomboid Build 42 mods that are installed but missing, disabled, incompatible, or failing after a hotfix.
Open field noteOfficial Build 42 screenshotProject Zomboid Mods Not Working in Multiplayer
Fix Build 42.20 hosted or dedicated multiplayer mods that work in solo but do not load for the server or connecting clients.
Open field noteOfficial Build 42 screenshotProject Zomboid 42.20.3 Server Version Mismatch
Compare client and server build strings, update the correct dedicated-server install, and isolate Project Zomboid mod-file mismatch errors.
Open field noteOfficial Build 42 screenshotProject Zomboid Stuck on Joining Game or Loading World
A safe Build 42.20 diagnostic for Joining Game, Loading World, and server-not-responding stalls after versions match.
Open field noteOfficial Build 42 screenshotProject Zomboid Build 42 Dedicated Server Guide
Plan, install, update, verify, and back up a Build 42.20 Project Zomboid dedicated server before adding Workshop mods.
Open field note