Before I posred in here, I went through that steps, and not able to get it working, it works initially, but as soon as I restart the pc only Firebird 1.5 DB is connecting...

--- In firebird-support@yahoogroups.com, Carlos Tr? <ceustre@...> wrote:
>
> On 06/05/2011 10:37, jpveldtman wrote:
> > Hi, I've been struggling to get a way to Install Firebird 1.5 and 2.1 on my Win7 machine, I did
>
> I think all the information you need can be found here:
> http://www.destructor.de/firebird/multiinstance.htm
>
> HTH,
> Carlos
>