ERROR_DS_ROOT_CANT_BE_SUBREF 0x80072086

Error code 8326 · HRESULT 0x80072086

WINDOWS

The specified root object cannot be a subref.

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_CANT_BE_SUBREF is a Windows error code (system error 8326, returned as HRESULT 0x80072086) reported by Windows. Its official message is: “The specified root object cannot be a subref.”

How to fix ERROR_DS_ROOT_CANT_BE_SUBREF

  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_MUST_BE_NCERROR_DS_ROOT_REQUIRES_CLASS_TOPERROR_DS_CANT_REM_MISSING_ATT_VALERROR_DS_NO_CHAININGERROR_DS_CANT_REM_MISSING_ATTERROR_DS_NO_CHAINED_EVALERROR_DS_ATT_VAL_ALREADY_EXISTS

Source: Microsoft WinError.h

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