Hi Elmar,

> That seems to be an problem in these other applications - tey
> should at lease document that they require an exclusive instance
> of FB.

Yes it is but _my_ application doesn't run - so...

> In daubt your application should guid the user to install an
> separate instance of FB.
> ...

I will try the solution copying all clientfiles in the app-directory
(embedded Server as gds32.dll). And in multiuser-environment I'll install on
an other port.

Thanks for your help
Thomas