RPC_S_MAX_CALLS_TOO_SMALL 0x800706CE

Error code 1742 · HRESULT 0x800706CE

WINDOWS

The maximum number of calls is too small.

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_MAX_CALLS_TOO_SMALL is a Windows error code (system error 1742, returned as HRESULT 0x800706CE) reported by Windows. Its official message is: “The maximum number of calls is too small.”

How to fix RPC_S_MAX_CALLS_TOO_SMALL

  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_UNKNOWN_AUTHN_TYPERPC_S_STRING_TOO_LONGRPC_S_DUPLICATE_ENDPOINTERROR_NOT_READYERROR_CRCERROR_GEN_FAILUREERROR_SHARING_VIOLATIONERROR_BAD_NETPATH

Source: Microsoft WinError.h

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