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BitLocker Recovery starts when OEMs perform firmware updates for TPM 1.2

Symptoms
For Trusted Platform Module (TPM) 1.2, Windows does not know if the system is going through a firmware update. In this situation, the computer reboots into BitLocker Recovery.  

https://technet.microsoft.com/en-us/library/ff829848(v=ws.11).aspx

To suspend protection, run the following command line:

manage-bde -protectors -disable c:
To resume protection, run the following:

manage-bde -protectors -enable c:
Workaround
For IT managers who are performing firmware updates for TPM 1.2 through Windows Update, make sure that you suspend BitLocker before you run the updates. This prevents BitLocker Recovery from starting. 
More information
Use TPM 2.0, as PCR 7 performs all these measurements automatically.
属性

文章 ID:3184518 - 上次审阅时间:08/18/2016 19:03:00 - 修订版本: 1.0

  • KB3184518
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