Scada 2016 communication

Hello,

I upgrade a Ver.6.10 project to Ver.2016, everything went ok but I i/o communication error (can't connect to IO devices).   The IO devices are Omron PLCs connected via ethernet using Omfin protocol.  I am running in demo mode (not sure if this is the issue).

Is there something that I have to pay attention to in the computer setup to get the IO devices to communicate properly?  BTW, the project works in Ver.6.10

TIA.