See here for more info re: startup params
1 - create a text file 2 - rename it to A3server.bat (make sure you have show file extensions enabled in Windows) 3 - right-click and edit 4 - paste this: start '' /wait 'C:\Program Files (x86)\Steam\SteamApps\common\Arma 3 Server\arma3server.exe' -port=2402 -profiles=c:\pathto\profile -config=C:\pathto\server.cfg -cfg=c:\pathto\basic.cfg -cpuCount=2 -maxMem=2048 -exThreads=7 -maxplayers=32 -noFilePatching -noLogs you need to change file paths, etc to suit your setup.