ERROR_PROTOCOL_UNREACHABLE 0x800704D1

Error code 1233 · HRESULT 0x800704D1

WINDOWS

The network location cannot be reached. For information about network troubleshooting, see Windows Help.

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

ERROR_PROTOCOL_UNREACHABLE is a Windows error code (system error 1233, returned as HRESULT 0x800704D1) reported by Windows. Its official message is: “The network location cannot be reached. For information about network troubleshooting, see Windows Help.”

How to fix ERROR_PROTOCOL_UNREACHABLE

  1. Reboot once — many one-off system codes disappear with a clean restart
  2. Repair system files: 'sfc /scannow' then 'DISM /Online /Cleanup-Image /RestoreHealth'
  3. Find the source in Event Viewer → System: filter for this exact code and open its provider link

Related errors

ERROR_NETWORK_UNREACHABLEERROR_HOST_UNREACHABLEERROR_PORT_UNREACHABLECBS_E_SOURCE_MISSINGCBS_E_INSTALLERS_FAILEDCBS_E_STORE_CORRUPTION0x800F09880x800F0950

Source: Microsoft WinError.h

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