To activate the Isle of Siptah map for Conan Exiles:
- Go to Mod Manager and install the map
- Go to Commandline Manager and click Modify, and replace "ConanSandbox" with "DLC_Isle_of_Siptah" Make sure you apply/save.
- Go to Configuration Files, and edit the engine.ini to add: [/Script/EngineSettings.GameMapsSettings]
ServerDefaultMap=/Game/DLC_EXT/DLC_Siptah/Maps/DLC_Isle_of_Siptah - Restart the server and test.