--- In firebird-support@yahoogroups.com, "HEDFI Mourad" <mourad@...>
wrote:

>
> Hello everybody, I've 2 applications that use everyone firebird. My

problem

> is that the first use the Firebird 1.5 version and the second use

the 2.0

> version. Can anyone tell me if I Can install the 1.5 and 2.0 versions of
> Firebird together? If yes how to proceed?
>
> Knowing that the 2 applications must run at the same time and I'm on

Windows

> XP SP2.
>
> Best regards
>

using two instances on your server is possible... try using
http://ibexpert.com/download/firebirdinstancemanager/

but I think that probably firebirds servers must be in diferents
ports. Also they could not connect to the same database on the same time.

WTH