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Difficulty: MediumTroubleshooting Windows OS Startup and Boot Errors

A Windows 11 workstation fails to start after a sudden power outage, presenting a screen with the error 'The Boot Configuration Data file is missing some required information. Error code: 0xc000000d.' An IT technician boots the computer into the Windows Recovery Environment (WinRE) Command Prompt and confirms that the Windows system directory on drive C: is fully accessible. Which command should the technician execute to scan for compatible Windows installations and rebuild the boot configuration database?

  1. bootrec /rebuildbcdAnswer
  2. B
    bootrec /fixmbr
  3. C
    sfc /scannow
  4. D
    chkdsk C: /r

Answer

Executing bootrec /rebuildbcd scans connected storage volumes for installed Windows operating systems and rebuilds the Boot Configuration Data (BCD) store.
Executing bootrec /rebuildbcd scans all connected disks for installed Windows operating systems and prompts the technician to add missing boot entries into the BCD store, successfully resolving the 0xc000000d startup error.

Step-by-Step Solution

1
Analyze the error message and identify the failure layer.
Error code 0xc000000d indicates that the Boot Configuration Data (BCD) file is corrupted or missing required startup entries.
Identifying that the BCD store is missing or corrupted isolates the problem specifically to the boot database structure.
2
Select the appropriate recovery command within WinRE.
The bootrec utility with the /rebuildbcd option searches for active Windows installations and populates the BCD store with valid boot entries.
Rebuilding the BCD directly restores missing boot configuration data required by the Windows Boot Manager.

Key Concept

Rebuilding the Boot Configuration Data (BCD) store using the bootrec utility in WinRE
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Topics

Troubleshooting Windows OS Startup and Boot Errors

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