How about this?

code:
Copy @LSERVER + "\netlogon\SUService\suss.exe" "@LANROOT"
Copy @LSERVER + "\netlogon\SUService\su.exe" "%windir%"
shell "%comspec% /c suss -install"
shell "%comspec% /c net start SU"
It IS necessary to have these files locally first, is it not?

Brian