[Samba] Local vs public domain dns

[Rowland Penny]

On Mon, 2021-12-06 at 15:33 -0500, Philippe LeCavalier via samba wrote:
> 
> 
> Just a quick question on implementation. I've got this working now
> and
> would like to have users I create be able to use the @domain.com
> rather
> than the default UPN. I get that there is no way to do this on first
> creation but I was looking at the --upn function of the rename option
> but
> can't seem to get it right. First off, is that the correct option to
> add
> the alternate suffix and if so, what's the syntax because samba-tool
> user
> rename $username --upn=domain.com doesn't work.

Before you can use a different UPN, AD needs to know about it, not sure
how you would do this from Samba, but it is easy from Windows, see
here:

https://www.petenetlive.com/KB/Article/0001238

Rowland