SafeGuard BitLocker C/R: Special requirements and hardware dependencies

  • ID de l'article 120433
  • Mis à jour : 11 févr. 2014

The Bitlocker Challenge/Response feature has additional requirements which must be fulfilled.

Applies to the following Sophos product(s) and version(s)

SafeGuard BitLocker Client 6.10.0

Operating systems
Windows 7, Windows 8, Windows 8.1 

Requirements

The Bitlocker Challenge/Response feature has additional requirements which must be fulfilled. 

  • PC is running 64-bit Windows
  • Windows installed in GPT mode
  • The hardware is not listed in the POACFG.xml file. Sophos delivers a default file embedded in the setup, but it is recommended to download the newest file from the Sophos FTP server and apply it with the installation of the Client.
  • Microsoft UEFI certificate is available or Secure Boot is disabled
  • NVRAM boot entries accessible from Windows
  • UEFI has version 2.3.1 or newer

If the BitLocker Challenge/Response requirements are not fulfilled, SafeGuard BitLocker will run in a mode without Challenge/Response. In this case the standard BitLocker recovery options that require the knowledge of the Recovery Key are available.

Models which are known to support Bitlocker C/R:

Vendor Model Comments
Lenovo T530, X230,W530, X240s, ThinkCenter M93z
Dell XPS12, E6420
HP  none automatic fallback to Bitlocker via POACFG for all models
Sony none  automatic fallback to Bitlocker via POACFG for all models
Microsoft Surface Pro  requires additional steps when secure boot should be used as the OEM certificate is missing

 

 
Si vous avez besoin de plus d'informations ou d'instructions, veuillez contacter le support technique.

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