DNS_ERROR_NO_PACKET 0x8007251F

Error code 9503 · HRESULT 0x8007251F

WINDOWS

No DNS packet.

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_NO_PACKET is a Windows error code (system error 9503, returned as HRESULT 0x8007251F) reported by Windows. Its official message is: “No DNS packet.”

How to fix DNS_ERROR_NO_PACKET

  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_NO_ZONE_INFODNS_ERROR_NO_CREATE_CACHE_DATADNS_ERROR_NO_BOOTFILE_IF_DS_ZONEDNS_ERROR_NO_TCPIPDNS_ERROR_BAD_PACKETDNS_ERROR_RCODEDNS_INFO_NO_RECORDS

Source: Microsoft WinError.h

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