EPT_S_NOT_REGISTERED 0x800706D9

Error code 1753 · HRESULT 0x800706D9

WINDOWS

There are no more endpoints available from the endpoint mapper.

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

EPT_S_NOT_REGISTERED is a Windows error code (system error 1753, returned as HRESULT 0x800706D9) reported by Windows. Its official message is: “There are no more endpoints available from the endpoint mapper.”

How to fix EPT_S_NOT_REGISTERED

  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

EPT_S_CANT_PERFORM_OPRPC_S_NOTHING_TO_EXPORTEPT_S_INVALID_ENTRYERROR_SXS_COMPONENT_STORE_CORRUPTERROR_INSTALL_OPEN_PACKAGE_FAILEDERROR_INSTALL_RESOLVE_DEPENDENCY_FAILEDERROR_INSTALL_FAILEDERROR_PACKAGE_REPOSITORY_CORRUPTED

Source: Microsoft WinError.h

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