You use Microsoft TCP/IP, which means your Informix product can
communicate with TCP/IP stack only through Windows Sockets (winsock.dll)
library.
So, you must use I-NET v. 5.xx. Previous versions of I-NET used another
TCP/IP stacks: FTP Software's, DEC's, SUN's and so on. (Of course you can
use DEC's TCP/IP stack on your PC to connect with SUN and vice versa, it
doesn't matter).
So, try harder with I-NET 5.01.
Sincerely yours,
Michal Hobot
doctorq@sam.nask.com.pl