Adriano,

A> The system does not obtain to connect itself to the data base.

it looks like a FAQ. Have you searched google?
Anyway, make sure you are using the TCP/IP connection string:

server_name:c:\path\to\database.fdb

or

server_name:alias_name

You can use localhost or 127.0.0.1 in place of servername if your
server is on the same machine as the terminal sessions.
Don't use the local connection string:

c:\path\to\database.fdb

or

alias_name

as it won't work across window stations (each terminal session has a
private window station).

Ciao
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