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Windows 7: How should I deal with bit locker if I want to swap OS temporarily?

25 Apr 2012   #1

Windows 7
How should I deal with bit locker if I want to swap OS temporarily?

I've got Win 7 32 bit installed on my lenovo x301. I wanted 64 bit but had to install 32 bit for a VPN app. I now have the ability to use their 64 bit app but I want to test it first.

I've got Bitlocker turned on with the TPM on my 32 bit install.

I want to swap HD's and install 64 bit Win 7 to test the VPN software and if it works I want to do a complete 64 bit re-install on the original SSD since it's 128gb and my test drive is only 64gb.

Should I decrypt my 32 bit drive and turn off bitlocker before I swap the drive for my test? Is this the best way to deal with what I want to do? If I try and install the other drive with bitlocker still on and the TPM activated it would give a violation correct?

I'm thinking to just remove bitlocker all together so I can easily swap drives. If my test succeeds I'm going to do a fresh 64 bit install and can re-activate the TPM and bitlocker on the new install.

Just wanted to make sure this was the best way to deal with the TPM. I'm always nervous that I will somehow cause the TPM or bitlocker to think there was a problem and start denying access to my 32 bit install.

My System SpecsSystem Spec

27 Apr 2012   #2

Windows 7

I decrypted the drive, turned off the tpm and was able to swap drives without any trouble at all. When I finished my tests I re-enabled the tpm, re-encrypted the drive and all good.
My System SpecsSystem Spec

 How should I deal with bit locker if I want to swap OS temporarily?

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