ERROR_BACKUP_CONTROLLER 0x8007024A

Error code 586 · HRESULT 0x8007024A

WINDOWS

This operation is only allowed for the Primary Domain Controller of the domain.

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_BACKUP_CONTROLLER is a Windows error code (system error 586, returned as HRESULT 0x8007024A) reported by Windows. Its official message is: “This operation is only allowed for the Primary Domain Controller of the domain.”

How to fix ERROR_BACKUP_CONTROLLER

  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_BIOS_FAILED_TO_CONNECT_INTERRUPTERROR_MUTANT_LIMIT_EXCEEDEDERROR_FLOPPY_VOLUMEERROR_ACCESS_DENIEDERROR_NOT_ENOUGH_MEMORYERROR_INVALID_DATAERROR_WRITE_PROTECTERROR_NOT_READY

Source: Microsoft WinError.h

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