На удаленном компе выполняем и готово.

net stop beep

[HKEY_CURRENT_USER\Control Panel\Sound] “Beep”=No

got this from: http://blogs.technet.com/richardsmith/archive/2007/07/17/useful-registry-changes-during-build-creation.aspx

@echo Batch file to disable beep @sc stop beep @sc config beep start= disabled @echo  @echo If you didn’t hear a beep just now then it worked!