RPC_S_PROTSEQ_NOT_FOUND 0x800706D0

Error code 1744 · HRESULT 0x800706D0

WINDOWS

The RPC protocol sequence was not found.

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_PROTSEQ_NOT_FOUND is a Windows error code (system error 1744, returned as HRESULT 0x800706D0) reported by Windows. Its official message is: “The RPC protocol sequence was not found.”

How to fix RPC_S_PROTSEQ_NOT_FOUND

  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_SUPPORTEDRPC_S_STRING_TOO_LONGRPC_S_PROCNUM_OUT_OF_RANGERPC_S_MAX_CALLS_TOO_SMALLERROR_PROC_NOT_FOUNDERROR_DIR_NOT_EMPTYERROR_BAD_EXE_FORMATERROR_FILENAME_EXCED_RANGE

Source: Microsoft WinError.h

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