I had the same issue moving from Vivint to Ring. Called Ring and they alerted me to the anti-theft setting on your Kwikset lock. The lock needs to be excluded from the old Vivint system. I had the same issue - when the lock is programmed to connect to your Vivint system, it activates the anti-theft feature that is not reset with the factory reset. I had to call Vivint and they walked me through removing the device. and turning the anti-theft setting off. A major pain but the lock now works with my Ring.
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