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Windows Vista: Using BitLocker on a non-TPM system, step by step

Saturday, March 10th, 2007

BitLocker, a function available in Microsoft’s Vista Enterprise and Ultimate versions, let you encrypt BitLocker.jpgon a system drive, something that wasn’t possible in previous versions of Windows without a third-party product. Typically, in order to use BitLocker, you need a system with Trusted Platform Module (TPM) hardware, version 1.2 or better — something that a number of PC manufacturers are now starting to supply, albeit at additional cost.

But what if you want to use BitLocker on a system that doesn’t have a TPM? Most computers — especially most existing computers — don’t have a TPM, and you can’t add a TPM to a computer. It’s either part of the system’s design or it’s not. Fortunately, Microsoft has built a number of provisions into BitLocker that make it useable on a system that doesn’t have a Trusted Platform Module. Windows Vista: Using BitLocker on a non-TPM system, step by step

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