DDNS updates for secondary DNS server

[Kraishak Mahtha]

Hi All,

 zone example.com.
        {
            primary 192.168.0.45;
          secondary 192.168.0.47;
        }
I have noticed that DHCP is not sending any DDNS updates to the secondary
DNS server(192.168.0.47) of the zone when the primary is down for some
reason, is this the expected behavior?

Getting below error
 Unable to add forward map from n54c5-000001.example.com to 192.168.0.86:
NOTIMP

Does any one have any idea/experience of DDNS flow when primary DNS server
is down

Thanks in Advance
Kraishak
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