heLen, Thanks for reply. I ensured that Firebird 2.0 client library
(fbclient.dll) is on Client Machine (same as program folder).

> and the correct Microsoft run-time dlls.

what do you mean of "correct Microsoft run-time dlls" ?. there is another files to be copied to windows system?. what files did you mean ?

Thanks
Bambang

--- In firebird-support@yahoogroups.com, Helen Borrie <helebor@...> wrote:
>
> At 06:36 PM 2/07/2009, you wrote:
> >I have a delphi 5 application connect to FB 1.5.4 Super Server by IBX Component. FB Server run on Windows Server 2003.
> >everything work fine until we upgraded to Firebird to 2.0.5.
> >this is intermmitent case where client has successfully connect to FB and run application function. but after a while, suddenly the connection is lost and raise :
> >
> >"unable to complete network request to host XXX
> >error writing data to the connection
> >an existing connection was forcibly closed by remote host"
>
> Check that all the client machines have the Firebird 2.0 client library and the correct Microsoft run-time dlls.
>
> ./heLen
>