dynabook Europe Support
Technical Support Bulletin

Cannot turn on or resume BitLocker protection after moving the target drive to another computer or cloning the SSD/HDD

Issue

You cannot turn on or resume BitLocker protection after moving the target drive to another computer or cloning the SSD/HDD with UEFI boot firmware.

Attempting to turn on BitLocker, you will receive error 0x80070490 "Element not found".


Resolution (short):

BitLocker uses the Boot Configuration Data (BCD) store to detect the path to the Boot Manager (bootmgfw.efi) on a computer with Universal Exensible Firmware Interface (UEFI) boot firmware.

However, if the device entry in the BCD store does not match the current set of devices, the device entry will be deleted. 
This entry can also be deleted by an administrative user, although that is less common. 

Without the boot device entry, BitLocker will fail to create or update a TPM protector which happens when you initially turn on BitLocker or when protection is resumed, and the BitLocker protection operation will abort. 


Resolution (detailed):

From an elevated command prompt, please execute the following command:

bcdboot %systemdrive%\Windows

 


Document details
Document ID:
TSB6803V20001R01
Doc Type:
Security
Online Date:
2016-08-03 00:00:00
Date Modified:
2019-07-23
Category:
Software
Company:
Microsoft
Product Category:
Portables
Product Group:
 
Product Series:
 
Product:
 
Model Number:
 
Operating System:
Windows 10 - 32 Bit, Windows 10 - 64 Bit, Windows 7 - 64 Bit, Windows 8 - 32 Bit, Windows 8 - 64 Bit, Windows 8.1 - 32 Bit, Windows 8.1 - 64 Bit
Keywords:
Operating System, Security


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