How to Fix a Hexxit Revived Server That Keeps Crashing
Hexxit Revived is a faithful Forge 1.20.1 port of the classic adventure pack, and a couple of its most disruptive crash causes have already been fixed in current releases — which makes checking your pack version the first move.
See the Hexxit Revived pack page for boot-tested RAM data before you chase anything else.
1. Outdated pack version crashing in the End
Hexxit Revived releases before v0.6.3 had a documented crash specifically tied to entering the End dimension. If this is happening to you, the fix is updating to a current pack version — there's no server config that works around it.
2. Special AI mod causing TPS lag
The Special AI mod has been linked to TPS problems in this pack specifically. If you're seeing persistent lag rather than outright crashes, disabling it on the server is a known, documented fix.
3. Client/server version mismatch
Players need the same pack version as the server — a mismatch causes join failures and crashes that are easy to misattribute to something else entirely.
4. RAM below the 5 GB floor
5 GB is Hexxit Revived's own recommended floor. Below it, expect lag building into tick-timeout crashes during dungeon exploration rather than a single clean error. Watch the first-boot logs until Forge 1.20.1 finishes loading and dungeon structures generate cleanly.
FAQ
My server crashes every time someone goes to the End — why?+
Earlier Hexxit Revived releases (before v0.6.3) had a documented crash tied to the End dimension. If you're on an older version, updating fixes this directly — there's no server-side workaround needed.
What causes TPS lag specifically in Hexxit Revived?+
The Special AI mod has been linked to TPS issues in this pack. If you're seeing persistent lag rather than crashes, disabling it is a known, documented fix worth trying.
How much RAM does Hexxit Revived actually need?+
5 GB is the pack's own recommended floor for a small server. See the how much RAM does a Hexxit Revived server need guide for the full breakdown by player count.
Host Hexxit Revived on hardware sized for dungeon crawls
CoalHost starts Hexxit Revived servers at the pack's measured 5 GB floor with backups in place before anyone pushes a dungeon crawl further than it's been tested.
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