Ark SE server starts is joinable but AMP shows Application Error

OS Name/Version: Ubuntu Server 24.04

Product Name/Version: Ark Survival Evolved 358.25

Problem Description:
Server starts normally, and is joinable but AMP never sees it as completed or fully up. Shows “application error” at Instances and when under the manager screen for the server it says “unable to run” at the top right of the window. Server is running fine, players can join.

Steps to reproduce:

  • Step 1: Start ARK SE server
  • Step 2: Wait for server to boot, becomes joinable
  • Step 3: stays stuck on “starting” and eventually shows application error in AMP

Actions taken to resolve so far:
Updated Instance. Stopped, started instance. Restarted server several times. It started with one of my servers but is now happening to 2 out of my 11 Ark cluster. They both start and are joinable but AMP never shows them as running.

Usually just means that AMP’s RCON client can’t connect to the server (AMP relies on RCON connecting to know the server has started). AMP sometimes scrambles/corrupts the password it uses (bug). Try generating a new “remote admin password” and restarting the server

If that doesn’t work then it could be because of the server IP binding, if that is not 0.0.0.0

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