ERROR_DS_DATABASE_ERROR 0x800720D9

Error code 8409 · HRESULT 0x800720D9

WINDOWS

A database error has occurred.

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_DATABASE_ERROR is a Windows error code (system error 8409, returned as HRESULT 0x800720D9) reported by Windows. Its official message is: “A database error has occurred.”

How to fix ERROR_DS_DATABASE_ERROR

  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_CODE_INCONSISTENCYERROR_DS_GOVERNSID_MISSINGERROR_DS_CANT_RETRIEVE_INSTANCEERROR_DS_MISSING_EXPECTED_ATTERROR_DS_MISSING_SUPREFERROR_DS_NCNAME_MISSING_CR_REFERROR_DS_CANT_RETRIEVE_DN

Source: Microsoft WinError.h

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