ERROR_DS_KEY_NOT_UNIQUE 0x8007214F

Error code 8527 · HRESULT 0x8007214F

WINDOWS

The object requested was not found, but an object with that key was found.

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_KEY_NOT_UNIQUE is a Windows error code (system error 8527, returned as HRESULT 0x8007214F) reported by Windows. Its official message is: “The object requested was not found, but an object with that key was found.”

How to fix ERROR_DS_KEY_NOT_UNIQUE

  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_CANT_RETRIEVE_SDERROR_DS_WRONG_LINKED_ATT_SYNTAXERROR_DS_COULDNT_UPDATE_SPNSERROR_DS_SAM_NEED_BOOTKEY_PASSWORDERROR_DS_DNS_LOOKUP_FAILUREERROR_DS_SAM_NEED_BOOTKEY_FLOPPYERROR_DS_NAMING_MASTER_GC

Source: Microsoft WinError.h

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