DNS_ERROR_POLICY_INVALID_CRITERIA_FQDN 0x8007270A

Error code 9994 · HRESULT 0x8007270A

WINDOWS

The criterion FQDN provided in the policy is invalid.

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_POLICY_INVALID_CRITERIA_FQDN is a Windows error code (system error 9994, returned as HRESULT 0x8007270A) reported by Windows. Its official message is: “The criterion FQDN provided in the policy is invalid.”

How to fix DNS_ERROR_POLICY_INVALID_CRITERIA_FQDN

  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_POLICY_INVALID_CRITERIA_INTERFACEDNS_ERROR_POLICY_INVALID_CRITERIA_QUERY_TYPEDNS_ERROR_POLICY_INVALID_CRITERIA_NETWORK_PROTOCOLDNS_ERROR_POLICY_INVALID_CRITERIA_TIME_OF_DAYWSAEACCESDNS_ERROR_POLICY_INVALID_CRITERIA_TRANSPORT_PROTOCOLDNS_ERROR_POLICY_INVALID_CRITERIA_CLIENT_SUBNET

Source: Microsoft WinError.h

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