What does Windows error code 9605 (DNS_ERROR_ZONE_HAS_NO_SOA_RECORD) mean?

Status / error code:		Category:

Constant name:
Source:		Operating System:
Description: The DNS zone does not contain a Start of Authority record.

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DNS_ERROR_ZONE_CONFIGURATION_ERROR	DNS_ERROR_ZONE_HAS_NO_NS_RECORDS

DNS_ERROR_ZONE_HAS_NO_SOA_RECORD

DNS_ERROR_ZONE_HAS_NO_SOA_RECORD means a zone is missing its Start of Authority (SOA) record. An SOA record identifies the primary authoritative server and contains the zone serial and timing fields used by DNS operations.

What to check

Inspect the zone root record set and verify that a valid SOA record exists.
For a file-backed zone, restore or correct the authoritative zone file from a known-good source rather than inventing serial data.
For an AD-integrated zone, check replication and DNS Server events if the SOA record disappeared unexpectedly.

Get-DnsServerResourceRecord -ZoneName "contoso.com" -RRType SOA

Microsoft: DNS zone types and zone transfers

Microsoft: DNS architecture, SOA, and authoritative zones

Microsoft: DNS logging and diagnostics

Microsoft: Get-DnsServerResourceRecord

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