This is how i starting diag
Starts through .bat
I have 2 same Diag.exe. First In the server folder and the second one in the game folder which is automatically updating
Server:
start DayZDiag_x64.exe -server "-mod=@TestMod" "-config=%serverConfig%" "-port=%serverPort%" "-cpuCount=%serverCPU%" "-newErrorsAreWarnings=1" -dologs -adminlog -netlog -freezecheck "-BEpath=%serverLocation%\battleye" "-profiles=%serverLocation%\profilesForOther" -nofilePatching
Client:
start /d C:\Steam\steamapps\common\DayZ\ DayZDiag_x64.exe "-mod=@TestMod" "-newErrorsAreWarnings=1" "-connect=127.0.0.1:27015" -nofilePatching