Restoring Horizon DaaS platform appliances to previous versions after upgrading to the 22.1.x/9.2.x release is supported.
To ensure that the platform setup can support anticipated/unexpected restores of any appliances of version 20.2.x/9.0.x or 21.1.x/9.1.x, before performing the Restore you must copy the entire directory from the 20.2.x/9.0.x or 21.1.x/9.1.x Horizon Air Link appliance to the new 22.1.x/9.2.x Horizon Air Link appliance at the same path. This can be done at any point in time after installing the 22.1.x/9.2.x Horizon Air Link appliance, including after upgrading the platform Management appliances (SPs and RMs).
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