To have a Redundant setup, please enable Smart Redundancy.
Here are the steps how the feature can be enabled:
1: Login to the Zone Director.
2: Click on Configure >> System >> Check Enable Smart Redundancy.
3: Enter the Peer Device IP Ad...
100.x firmware is a StandAlone firmware and not an Unleashed firmware.
Unleashed firmware Starts with 200.X
To convert your AP from StandAlone to Unleashed please go through this article: