Uwe Grauer wrote:

> jramy1963 wrote:
>
> >
> > Can Interbase 6.0 and Firebird 1.5 run, not just co-exist, bot run on
> > the same machine at the same time? I have read elsewhere that this
> > should not be done. Is this true and, if so, why? We are running an
> > Interbase 6.0 app, but on Windows 2003 Server, there is a severe
> > performance issue. So we are investigating moving to Firebird 1.5
> > but when we run both Interbase 6.0 and Firebird 1.5 on Windows 2003
> > Server, there is still a performance issue UNTIL we turn Interbase
> > off. All feedback is truly appreciated...
>
> Yes, it works if you specify a different port for firebird.
> See the Release Notes for FB 1.5
>
> Uwe

PS: Take care of the Client Libs.
I think you can't mix Interbase and Firebird Clients Libs on one Machine.

Uwe