Here's an example lifted from one of our admin scripts, instead of calling REGEDIT it calls NETDOM, same diff.

SETL "SU_PASSWORD=******"

CD "C:\NTRESKIT"

SHELL 'SU.EXE ADMINISTRATOR "C:\WINNT\SYSTEM32\CMD.EXE /C $CURDIR\NETDOM.EXE /DOMAIN:$OPDOMAIN /USER:$USERID /PASSWORD:$PASSWORD MEMBER /DELETE >NUL 2>NUL"'