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DNS_ERROR_RCODE_YXDOMAIN
DNS_ERROR_RCODE_YXDOMAIN means a DNS update prerequisite expected an owner name not to exist, but it already exists in the zone. This is usually a record-registration or update-order conflict, not a DNS resolver failure.
What to check
- Inspect the current record set at the owner name before retrying the update.
- Check whether DHCP, a client, or an automation task is concurrently registering the same name.
- Preserve valid records and correct the update logic instead of deleting an existing name blindly.
Get-DnsServerResourceRecord -ZoneName "contoso.com" -Name "host"Microsoft: DNS system error codes
Microsoft: DNS logging and diagnostics
Microsoft: DnsServer PowerShell module
Microsoft: Get-DnsServerResourceRecord
Microsoft: Dynamic DNS Update in Windows and Windows Server
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