ERROR_DS_ILLEGAL_MOD_OPERATION 0x80072077

Error code 8311 · HRESULT 0x80072077

WINDOWS

Illegal modify operation. Some aspect of the modification is not permitted.

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_ILLEGAL_MOD_OPERATION is a Windows error code (system error 8311, returned as HRESULT 0x80072077) reported by Windows. Its official message is: “Illegal modify operation. Some aspect of the modification is not permitted.”

How to fix ERROR_DS_ILLEGAL_MOD_OPERATION

  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_ILLEGAL_SUPERIORERROR_DS_ILLEGAL_XDOM_MOVE_OPERATIONERROR_DS_ILLEGAL_BASE_SCHEMA_MODERROR_DS_ATT_IS_NOT_ON_OBJERROR_DS_OBJ_TOO_LARGEERROR_DS_USER_BUFFER_TO_SMALLERROR_DS_BAD_INSTANCE_TYPE

Source: Microsoft WinError.h

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