ERROR_DS_ROOT_REQUIRES_CLASS_TOP 0x800720F0

Error code 8432 · HRESULT 0x800720F0

WINDOWS

A root object requires a class of 'top'.

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_DS_ROOT_REQUIRES_CLASS_TOP is a Windows error code (system error 8432, returned as HRESULT 0x800720F0) reported by Windows. Its official message is: “A root object requires a class of 'top'.”

How to fix ERROR_DS_ROOT_REQUIRES_CLASS_TOP

  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_DS_ROOT_CANT_BE_SUBREFERROR_DS_ROOT_MUST_BE_NCERROR_DS_REFUSING_FSMO_ROLESERROR_DS_UNKNOWN_ERRORERROR_DS_INTERNAL_FAILUREERROR_DS_MISSING_FSMO_SETTINGSERROR_DS_HIERARCHY_TABLE_MALLOC_FAILED

Source: Microsoft WinError.h

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