Hi id,
There is no problem moving a VI that includes a State Diagram between multiple LabVIEW development machines unless they don't have the State Diagram Toolkit installed. In case that you move a VI including a state machine created with the State Diagram Toolkit to a machine without the toolkit installed, you will still have a fully functional state machine, but it will not be possible to edit the diagram.
Do you have the toolkit installed on both machines?
- Philip Courtois, Thinkbot Solutions