Ross McCOrmick

The first thing to confirm is that the Linux host can properly connect to the IP of the virtual machine guest, and that the port is open. Try nmap <IP of="" virtual="" machine=""> to confirm that the IP is recognized, and that port 7766 is open.

Mohit, I think you need to install the OpenOPC gateway service on the ABB Server. While it is theoretically possible to read a remote OPC server without it, Windows security issues have always made it non-functional for me.