> Hi,
>
> I am using embedded firebird on a Windows system. I did some recent
> updates to the database, and now my database connector won't allow the
> connection. The error specifically is: "OperationalError: (-904,
> 'isc_attach_database: unavailable database. ')".
>
> I then checked Services in my Windows system, and found that Firebird
> Guardian and Server were not started. When I start them, and now my
> database connector connects fine.
>
> However, I have been using the embedded database for a year before
> without requiring the start of these Services. Something must have
> changed, and I can't figure out what I might have done. I need to be
> able to use the embedded database without starting those Services...
> can anyone give me any suggestions or help??

you either changed your connection string and added localhost or your PC
name to the front of it - or you changed your protocol to TCP/IP

Alan