Hello Brian,

I'm amazed with the swiftness of your reply!

Thank you very much.

Unfortunatelly, your answer confirms what I've been afraid of.....

Of course, I started sp_dropuser against the CORRECT database.

BTW, I've already solved the problem : you can't use sp_dropuser with

the local NT group as I described in my question.

Hi,

I have a different problem : it was a local NT group which seems right now

orphaned on a different server after the database restore.

I can't drop it, the message :...