Hi Panic Mode,
I also had problems with Y200 interface in Office Lite. When I installed Y200 and opened the TestClient everything was ok, Axis Values and Digital IO was shown correctly. Next day it didn't work anymore.
Since we gave a permanent IP-adress to the OfficeLite VM everything is ok. To me it seems like if this adress changes the Y200 interface don't work anymore.
I'm not really sure if this really is the reason why it didn't work correctly, but in my case it helped.