Try the "UserToGrp" tool in the 2000 Resource Kit:
http://www.petri.co.il/download_free_reskit_tools.htm
--
******************************
Laura E. Hunter - MCSE, MCT, MVP
Replies to newsgroup only
"Simon" <(E-Mail Removed)> wrote in message
news:12d7e01c44353$6f1f3800$(E-Mail Removed)...
> Hello,
>
> I have existing local accounts already set up on my
> windows 2000 desktops. I now need to make these existing
> accounts "power users". I would like to use a command line
> utility to do this so that I can create a batch file to
> run it.
>
> Is there a command line utility that will let me change
> rights on existing users?
>
> SImon