> I use OBOConsole to maintain the database users on several TS
> installations with no problem.

Yes. And the same goes for IBExpert for me.
But why does exactly the same application (my application) work on my
PC but not on TerminalServer?

> > We tried firebird clients 1.0.3 and 1.5.2 - but both failed.
>
> I assume that the client version did match the server version.

Yes.

> > The firebird server runs on a different machine and is addressed via
> > its IP address.
> > But also running a firebird server on the same machine makes no
> > difference.
> >
> The connection must be a remote connection even where the database is
> running on the TS server.

Yes. It was addressed remotely.

> > gsec on that TerminalServer works as expected.
> >
> > If we try the same on an XP Professional for example everything is

fine.

> > Also when using this PC via remote.
> >
> > Any idea?
>
> What error message are you getting?

Oh sorry. I should have mentioned that of course.
The error message is "Cannot attach to services manager"

--Heiko