>
> Using FB1.5 and IBO 4.3.A, I am getting the following error in my log:
>
> ISC ERROR CODE:335544721
>
> ISC ERROR MESSAGE:
> Unable to complete network request to host "teleserver".
> Error writing data to the connection.
> unknown Win32 error 10054
>
> Please comment on what may cause thhis error. Thank you.
>

10054 is often associated with a hardware fault e.g. NIC, cable not plugged
int properly.
Do a search on ibphoenix.com on 10054
Alan