DNS_ERROR_POLICY_LOCKED 0x800726FC

Error code 9980 · HRESULT 0x800726FC

WINDOWS

The policy is locked.

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_LOCKED is a Windows error code (system error 9980, returned as HRESULT 0x800726FC) reported by Windows. Its official message is: “The policy is locked.”

How to fix DNS_ERROR_POLICY_LOCKED

  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_WEIGHTDNS_ERROR_POLICY_INVALID_NAMEDNS_ERROR_POLICY_MISSING_CRITERIADNS_ERROR_POLICY_PROCESSING_ORDER_INVALIDDNS_ERROR_SUBNET_ALREADY_EXISTSDNS_ERROR_SUBNET_DOES_NOT_EXISTDNS_ERROR_CLIENT_SUBNET_ALREADY_EXISTS

Source: Microsoft WinError.h

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