ERROR_DS_SINGLE_USER_MODE_FAILED 0x8007218E

Error code 8590 · HRESULT 0x8007218E

WINDOWS

The Directory Service failed to enter single user mode.

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_SINGLE_USER_MODE_FAILED is a Windows error code (system error 8590, returned as HRESULT 0x8007218E) reported by Windows. Its official message is: “The Directory Service failed to enter single user mode.”

How to fix ERROR_DS_SINGLE_USER_MODE_FAILED

  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_SINGLE_VALUE_CONSTRAINTERROR_DS_CANT_DERIVE_SPN_WITHOUT_SERVER_REFERROR_DS_NTDSCRIPT_SYNTAX_ERRORERROR_DS_NOT_CLOSESTERROR_DS_NTDSCRIPT_PROCESS_ERRORERROR_DS_THREAD_LIMIT_EXCEEDEDERROR_DS_DIFFERENT_REPL_EPOCHS

Source: Microsoft WinError.h

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