Question:
What does error 8004F004 stand for, when displayed by an OPC client using Elipse Drivers OPC as its OPC server?
Solution:
This error informs the user that there are not enough I/O points available in the license anymore, and their number should be increased.
Other common OPC-related errors in Elipse applications are:
8004F304 – DLL is not a driver
8004F305 – Failure when initializing the driver
8004F306 – Attempted read/write with no loaded driver
8004F307 – Read/Write failure in the driver
8004F004 – No more I/O points available