[Kea-users] ddns fails with powerDNS (Failed PreRequisites check)

Thu Jun 18 18:35:03 UTC 2020

Hi All,

Iam using Kea 1.6.2 and PowerDNS 4.0.8 

I see the  following error code in Kea D2 DDNS update request

2020-06-18T17:54:03.481895214Z 2020-06-18 17:54:03.481 ERROR
[kea-dhcp-ddns.d2-to-dns/64] DHCP_DDNS_FORWARD_REPLACE_REJECTED DNS Request
ID 000001B13A3A0E8D7BA3C3844FEBD743E5262E8B35B9CBD37FB12A405586E8FA6F89EF:
Server, 20.4.0.20 port:53, rejected a DNS update request to replace the
address mapping for FQDN, hang-q6v8-fvcs.abc.net., with an RCODE: 8

And the corresponding DNS logs 
Jun 18 17:53:54 UPDATE (42311) from 20.4.0.50 for iotium.net: Failed
PreRequisites check, returning 6
Jun 18 17:53:54 UPDATE (28718) from 20.4.0.50 for iotium.net: Failed
PreRequisites check, returning NXRRSet

Can you please tell what I have to do to fix this issue. 

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