Of course not. I have used your method now so many times that I still had an old relocate.xm; that I could modify to shorten the process.
Worked like a champ, of course.
Two things to note:
You probably already know, but most of the time the media service is not running, but I do tender the trials when you and others had issues with sysprep failing until you killed it. It just should not be running on a new system, but that is over and done.
Second : audit mode runs with elevated privileges, so the regular cmd.exe still runs as admin. As does notepad. IE, etc. So, it really doesn't matter which cmd.exe you use to run that sysprep command. I ran the regular one just to verify, and of course it worked . After all, you have gotten to be an old hack at this now.