Yes, you need to exclude any zwave device before pairing it with the hub. Sometimes doing a factory reset can also exclude the device and prep it for pairing. Keep in mind that he Schalge lock resets its factory pin length after an exclusion so you need to change it back. You can also see this custom device handler to access your locks advanced settings from SmartThings including setting the pin length, accessing auto lock, one touch lock and built in alarms: [RELEASE] Universal Enhanced Z-Wave Lock Device Handler for Schlage, Yale, Kwikset, IDLock, Popp, Danalock, August Pro, Keywe, Philia, Samsung