Yes, you can connect to a remote server using this application. There are multiple things that need to be configured properly for this to work, most of them outside of the component/demo app itself. Most importantly, you need to configure your firewalls and DCOM, *both* on the server computer *and* on the client computer.
I suggest you start with the steps described in this tutorial:
I use your demo application EasyOPCDADemo.exe and i have a question. Can i connect to remote server with this app?? If yes, pls tell me how. did i need configurate DCOM on server site or something in EasyOPCOptions ? Best regards.