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Windows 7: Bitlocker: BitLocker could not be enabled

08 Feb 2011   #1

Windows 7 Ultimate x32/x64
Bitlocker: BitLocker could not be enabled

I am trying to enable BitLocker on a Windows 7 Ultimate x32 system with TPM. I follow the Wizard and when asked to encrypt the drive I select 'Run BitLocker system check' and 'Continue' (see attached sreenshot).
The USB is inserted and contains the recovery key (.txt and .tpm). During reboot I get:

Windows BitLocker Drive Encryption Information
The system boot information has changed since BitLocker was enabled.
You must supply a BitLocker recovery password to start this system.
Confirm that the boot changes to this system are authorized.
If the changes to the boot system are trusted, then disable and re-enable
BitLocker. This will reset BitLocker to use the new boot information.

Otherwise, restore the system boot information.


Windows then continues to start normally. After login I get an error message: BitLocker could not be enabled (see attached screenshot).
When I check TMP it shows as active, initialized and owned.

I've started out from scratch several times - same results. I can't figure out what the problem is.
This is driving me nuts.

Any help appreciated


Attached Images
My System SpecsSystem Spec

12 Feb 2011   #2

Windows 7 Ultimate x32/x64
More info

DELL: d420
Hard drive: System reserved 100MB NTFS, 27.84GB NTFS

Manufacturer name: BRCM
Manufacturer version: 2.10
Specification version: 1.2
Status: The TPM is on and ownership has been taken

I've since modified the group policy settings for Bitlocker to use a PIN.
I am still getting the same results.
I follow the wizard, select check the system, reboot, enter PIN, get the same "error" messages as shown in my previous post.

This makes no sense.

Any help?
My System SpecsSystem Spec
12 Feb 2011   #3

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium x64 SP1

Welcome to Seven Forums zzz0rk. Have a look here for starts:

BitLocker Drive Encryption - Windows 7 Drive - Turn On or Off with no TPM

A Guy
My System SpecsSystem Spec

14 Feb 2011   #4

Windows 7 Ultimate x64

I try not to use that program just for those reasons, true True Crypt you'll have a lot less trouble with it....
My System SpecsSystem Spec
14 Feb 2011   #5


I use both on a regular basis and highly recommend NOT using EITHER - if you don't absolutely HAVE TO BY LAW.

Bitlocker / Truecrypt won't encrypt drives with active sessions, services or connections. Both of these should be installed to a machine after a fresh low level format and NO programs installed.

Both options require 100% disk resource and you may find errors not relating to what's really causing them with prior installtions.
My System SpecsSystem Spec
16 Feb 2011   #6

Windows 7 Ultimate x32/x64

Thanks for everyone's feedback
I am going to weigh my options.
I currently use TrueCrypt to create encrypted file containers, but I thought to try out BitLocker to possibly replace it with. Thought it would be a slam dunk since I was under the impression I met all system requirements to enable it.
I might just continue to encrypt my important files with TC and forget about the OS.
My System SpecsSystem Spec
17 Feb 2011   #7

Windows 7 Ultimate SP1 64 Bit

what do you think about BitLocker ?doenst make teh Hd slow or something like that ? couldnt the Hacker desencrypt !
My System SpecsSystem Spec

 Bitlocker: BitLocker could not be enabled

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