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Security and Windows Vista A forum for discussion on security issues with Windows Vista. (microsoft.public.windows.vista.security)

BitLocker Recovery not working on Lenovo T60



 
 
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  #1 (permalink)  
Old September 27th 06, 06:01 PM posted to microsoft.public.windows.vista.security
sandeep
external usenet poster
 
Posts: 5
Default BitLocker Recovery not working on Lenovo T60

I have been able to make BitLocker work with the TPM on a Lenovo Thinkpad T60.
BUT I am running into problems when I try to do a BitLocker recovery. In
order to test the recovery, I inactivated the TPM in the BIOS utility and as
expected BitLocker prompts me for the recovery password. It seems to accept
the password and seems like windows is booting but it crashes with a blue
screen after a few seconds. I tried safe mode and it seems it fails right
after loading "crcdisk.sys" .
Has anyone seen symptoms like this ?


  #2 (permalink)  
Old September 28th 06, 06:18 AM posted to microsoft.public.windows.vista.security
Jamie Hunter [MS]
external usenet poster
 
Posts: 7
Default BitLocker Recovery not working on Lenovo T60

The fact that it got even as far as loading the drivers means the recovery
portion worked. The reason why it crashed is directly related to the TPM
being deactivated. We've hit this bug internally, understand the cause, and
working with Lenovo to figure out the right solution.
--
Jamie Hunter [MS]

"sandeep" wrote in message
...
I have been able to make BitLocker work with the TPM on a Lenovo Thinkpad
T60.
BUT I am running into problems when I try to do a BitLocker recovery. In
order to test the recovery, I inactivated the TPM in the BIOS utility and
as
expected BitLocker prompts me for the recovery password. It seems to
accept
the password and seems like windows is booting but it crashes with a blue
screen after a few seconds. I tried safe mode and it seems it fails right
after loading "crcdisk.sys" .
Has anyone seen symptoms like this ?



  #3 (permalink)  
Old September 29th 06, 08:34 PM posted to microsoft.public.windows.vista.security
sandeep
external usenet poster
 
Posts: 5
Default BitLocker Recovery not working on Lenovo T60

Thanks for the reply Jamie. Just curious if you know already if the
potential bug fix is going to be a BIOS update/driver update so that I can
keep an eye out for it.

"Jamie Hunter [MS]" wrote:

The fact that it got even as far as loading the drivers means the recovery
portion worked. The reason why it crashed is directly related to the TPM
being deactivated. We've hit this bug internally, understand the cause, and
working with Lenovo to figure out the right solution.
--
Jamie Hunter [MS]

"sandeep" wrote in message
...
I have been able to make BitLocker work with the TPM on a Lenovo Thinkpad
T60.
BUT I am running into problems when I try to do a BitLocker recovery. In
order to test the recovery, I inactivated the TPM in the BIOS utility and
as
expected BitLocker prompts me for the recovery password. It seems to
accept
the password and seems like windows is booting but it crashes with a blue
screen after a few seconds. I tried safe mode and it seems it fails right
after loading "crcdisk.sys" .
Has anyone seen symptoms like this ?



  #4 (permalink)  
Old September 30th 06, 05:57 AM posted to microsoft.public.windows.vista.security
Jamie Hunter [MS]
external usenet poster
 
Posts: 7
Default BitLocker Recovery not working on Lenovo T60

I wish I could, but it's too early to say right now.
Workaround is to use either of the other two options offered by the BIOS
(fully on, or fully off).
--
Jamie Hunter [MS]

"sandeep" wrote in message
...
Thanks for the reply Jamie. Just curious if you know already if the
potential bug fix is going to be a BIOS update/driver update so that I can
keep an eye out for it.

"Jamie Hunter [MS]" wrote:

The fact that it got even as far as loading the drivers means the
recovery
portion worked. The reason why it crashed is directly related to the TPM
being deactivated. We've hit this bug internally, understand the cause,
and
working with Lenovo to figure out the right solution.
--
Jamie Hunter [MS]

"sandeep" wrote in message
...
I have been able to make BitLocker work with the TPM on a Lenovo
Thinkpad
T60.
BUT I am running into problems when I try to do a BitLocker recovery.
In
order to test the recovery, I inactivated the TPM in the BIOS utility
and
as
expected BitLocker prompts me for the recovery password. It seems to
accept
the password and seems like windows is booting but it crashes with a
blue
screen after a few seconds. I tried safe mode and it seems it fails
right
after loading "crcdisk.sys" .
Has anyone seen symptoms like this ?




 




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