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October 29th, 2019 02:00
Replace TPM 2.0 module with TPM 1.2 module.
Hello,
I have two Dell PowerEdge R230 Servers. One is shipped with TPM 1.2 and the other one is TPM 2.0.
I am using Centos 7 as my OS and I am successfully stored my keys to TPM 1.2.
Now I need to replace the TPM 1.2 module to the server which currently has TPM 2.0. I have already cleared the TPM 1.2 module before replacing it to the new server. After replacing, when I boot the machine, it says " Cannot be used on this platform. TPM is turned off . System will reset now."
How can i replace TPM 2.0 with TPM 1.2 from another machine (after clearing the TPM cofigurations).
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DELL-Chris H
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October 29th, 2019 08:00
Arungsn,
There isn't a way, this is because after the TPM plug-in module is installed, it is cryptographically bound to that specific system board. Any attempt to remove an installed TPM plug-in module breaks the cryptographic binding, and it cannot be re-installed or installed on another system board. So you will likely need to go with a new TPM.
Hope this helps