> For some customers, their connections to database A is remote so they
> use the fbclient.dll located in C:\Program Files\...\Firebird_1_5
> \bin\fbclient.dll. Then, their connection to database B is local so
> they are using the fbembed.dll.
>
> What happens is that even if a connection to database A is successful,
> I always get a "unavailable database" error message when trying to
> connect to database B using the embedded DLL.
>
> Any clue about what can forbid connecting to a embedded database when a
> remote connection is alredy made??

What make you think that you are trying to connect to database B
using embedded engine? Are you sure that isc_database_attach is resolved
from proper DLL?

SY, SD.