At 10:21 PM 16/06/2008, you wrote:

> >Does the error message actually say 'unable to complete network
>request to host "IP number""? or is there an actual IP address there?
>
>is IP fixed.
>
> >If it is an IP address, are you sure that it is a static IP address
>for your server?
>
>yes
>
>Do you see any associated messages in the firebird.log?
>
>rcmban00 (Server) Mon Jun 16 08:19:32 2008
> INET/inet_error: read errno = 104
>
>rcmban00 (Server) Mon Jun 16 08:19:32 2008
> INET/inet_error: read errno = 104
>
>rcmban00 (Client) Mon Jun 16 08:19:32 2008
> * /opt/firebird/bin/fbguard: bin/fbserver terminated abnormally (-1)*

The server crashed. That is why you're getting the network errors.

>rcmban00 (Client) Mon Jun 16 08:19:32 2008
> */opt/firebird/bin/fbguard: guardian starting bin/fbserver*
>
>rcmban00 (Server) Mon Jun 16 08:19:32 2008
> Open file limit increased from 1024 to 0

This looks like a configuration problem on the host server.

>rcmban00 (Server) Mon Jun 16 08:26:01 2008
> INET/inet_error: select in packet_receive errno = 9

Another network error - possibly the result of the preceding problem.

>rcmban00 (Server) Mon Jun 16 08:32:54 2008
> INET/inet_error: read errno = 104
>
>rcmban00 (Server) Mon Jun 16 08:32:54 2008
> INET/inet_error: read errno = 104

And here we go again with Connection Reset by Peer (another server crash, or at least a denial of service).

> >Did you know that Firebird 2.0.4 is the latest subrelease of v.2.0.x?
>
>yes, but that upgrading will be solved this problem?

You are welcome to research this for yourself. The bug fixes for v.2.0.2, 2.0.3 and 2.0.4 are here:
http://www.firebirdsql.org/rlsnotesh/bugfix210.html#bug20x

And talk to the server administrator about this to find out what is going on:

rcmban00 (Server) Mon Jun 16 08:19:32 2008
Open file limit increased from 1024 to 0

./heLen