RPC_S_PROCNUM_OUT_OF_RANGE 0x800706D1

Error code 1745 · HRESULT 0x800706D1

WINDOWS

The procedure number is out of range.

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

RPC_S_PROCNUM_OUT_OF_RANGE is a Windows error code (system error 1745, returned as HRESULT 0x800706D1) reported by Windows. Its official message is: “The procedure number is out of range.”

How to fix RPC_S_PROCNUM_OUT_OF_RANGE

  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

RPC_S_PROTSEQ_NOT_FOUNDRPC_S_BINDING_HAS_NO_AUTHRPC_S_STRING_TOO_LONGERROR_SERVICE_DEPENDENCY_FAILERROR_DLL_INIT_FAILEDERROR_IO_DEVICEERROR_NOT_FOUNDERROR_CANCELLED

Source: Microsoft WinError.h

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