local user map troubles finally solved

[Luke Kenneth Casson Leighton]

On Wed, 12 May 1999, Gerald Carter wrote:

> Dave J. Andruczyk wrote:
> > 
> > Someone correct me if I'm wrong,  but from what I've seen on 
> > the list for a while says that NT can have a UID and GID 
> > that match, right?  Is this on the numerical side of things 
> > or the textual name?
> 
> NT user and group accounts exist in the same number space 
> as opposed to UNIX uids and gids that exist in separate 
> number spaces.  I don't remember with respect to names,
> but under NT RIDs are always unique (trust accounts, user 
> accounts, group accounts, etc...)

name space is also unique across groups, aliases, users and domains.  try
adding a group with USRMGR with a name same as a trusted domain, it will
fail.