Marcelo,

> I change my configuration to "localhost:c:\spe\spe.fdb" and work fine.

Yes, of course.

> To use local connection you _must_ make sure your app
> works via the newest
> client library (fbclient.dll). The local connections
> of v1.5 beta are not compatible with old version of FB.
>
> Is there some component that make sure this?

It has nothing to do with the components. You should just use the
appropriate version of the client library.


Dmitry