DNS_ERROR_NON_RFC_NAME 0x80072554

Error code 9556 · HRESULT 0x80072554

WINDOWS

DNS name does not comply with RFC specifications.

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_NON_RFC_NAME is a Windows error code (system error 9556, returned as HRESULT 0x80072554) reported by Windows. Its official message is: “DNS name does not comply with RFC specifications.”

How to fix DNS_ERROR_NON_RFC_NAME

  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_NOT_UNIQUEDNS_ERROR_TRY_AGAIN_LATERDNS_ERROR_INVALID_PROPERTYDNS_ERROR_INVALID_IP_ADDRESSDNS_STATUS_FQDNDNS_STATUS_DOTTED_NAMEDNS_STATUS_SINGLE_PART_NAME

Source: Microsoft WinError.h

Last updated: