A window will pop up before failover server starts adding NVR recording
server. Please read it carefully and click “OK” button to continue.
Note: Failover license channels must be more than NVR recording server
license channels.
Note: NVR recording server can be added into “one” failover server.
(3) Set up the time when to take over NVR recording server in Advanced Setting
page. Then, click “Apply” button.