ERROR_SAME_DRIVE 0x8007008F

Error code 143 · HRESULT 0x8007008F

WINDOWS

The system cannot join or substitute a drive to or for a directory on the same drive.

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_SAME_DRIVE is a Windows error code (system error 143, returned as HRESULT 0x8007008F) reported by Windows. Its official message is: “The system cannot join or substitute a drive to or for a directory on the same drive.”

How to fix ERROR_SAME_DRIVE

  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_DIR_NOT_EMPTYERROR_BUSY_DRIVEERROR_DIR_NOT_ROOT0x800F0954WU_E_DOWNLOAD_FAILEDWU_E_NOT_APPLICABLEWU_E_PT_WINHTTP_NAME_NOT_RESOLVEDWU_E_PT_HTTP_STATUS_SERVICE_UNAVAIL

Source: Microsoft WinError.h

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