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