DNS_ERROR_SECONDARY_DATA 0x800725F0

Error code 9712 · HRESULT 0x800725F0

WINDOWS

Secondary DNS zone data error.

Windows troubleshooting diagram: Device Manager warning and a system file scan
Windows errors: check drivers, system files and Event Viewer, in that order.

What it means

DNS_ERROR_SECONDARY_DATA is a Windows error code (system error 9712, returned as HRESULT 0x800725F0) reported by Windows. Its official message is: “Secondary DNS zone data error.”

How to fix DNS_ERROR_SECONDARY_DATA

  1. Test connectivity to the remote host first (ping, then the exact port)
  2. Check firewall, VPN and proxy rules for the involved process
  3. Run 'ipconfig /flushdns' and 'netsh interface ip reset', then reboot

Related errors

DNS_ERROR_SECONDARY_REQUIRES_MASTER_IPDNS_ERROR_NO_CREATE_CACHE_DATADNS_ERROR_RECORD_ALREADY_EXISTSDNS_ERROR_NAME_DOES_NOT_EXISTDNS_ERROR_RECORD_ONLY_AT_ZONE_ROOTDNS_ERROR_CNAME_COLLISIONDNS_WARNING_PTR_CREATE_FAILED

Source: Microsoft WinError.h

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