Thanks for responding. I think I figured out my “problem”. When I reset the panel at a keypad, the panel rebooted and auto enrolled all the devices on the bus which includes a number of keypads and input expanders. The panel must allocate 16 zones for each input expander enrolled. My new program in RP didn’t have all this hardware programmed into it (yet). Hence repeated conflicts between RP and the system. I didn’t realize the panel would auto enroll devices after being reset at the keypad. Regards.