At 07:56 PM 23/01/2010, you wrote:

>Thanks for your reply.
>
>As per your suggestion, I turned off the Windows Firewall, but it didn't help. Any other suggestion?

Don't turn it off; configure it to let client apps connect on localhost:3050

Is Windows firewall the only internet security you have on there?

>I am using Firebird in Service mode

Did you check whether it is running?

>, and am now using SYSDBA as username, and "masterkey" as password since I don't know any other username/password pair to use.

There is no other for that database; although you haven't yet got connected to the server.

./hb