--- In firebird-support@yahoogroups.com, "mlc29150"
<michel_le_clezio@h...> wrote:

>
> Hello,
>
> I've Firebird 1.03 installed on a Windows 2000 server and some WindowXp
> client.
>
> I've got an ISC error CODE:335544721 on some computer (Win error
> 1060) when I try to connect to the database...
>
> I've authorized the uses of the 3050 port on the firewall...
>
> Does anyone see what's wrong please ?
>
> Best regards.
> Michel
>

Use google
http://firebird.sourceforge.net/doc/contrib/fb_1_5_errorcodes.pdf
Unable to complete network path to host.
Check DNS, check you can ping, check you can telnet on 3050
mick