3. Reboot the system.
If you want to enable TPM again, run the following command and reboot the system:
OneCli.exe config set TrustedComputingGroup.HideTPMfromOS "No" --imm <userid>:<password>@<ip_address> --override
Example:
Update the TPM firmware
Optionally, you can update the TPM firmware using Lenovo XClarity Essentials OneCLI.
Note: TPM firmware update is irreversible. After update, the TPM firmware cannot be downgraded to earlier
versions.
TPM firmware version
Follow the procedure below to see the TPM firmware version:
From Lenovo XClarity Provisioning Manager
1. Start the server and press the key specified in the on-screen instructions to display the Lenovo XClarity
Provisioning Manager interface. (For more information, see the “Startup” section in the LXPM
documentation compatible with your server at
https://pubs.lenovo.com/lxpm-overview/.)
2. If the power-on Administrator password is required, enter the password.
3. From the UEFI Setup page, click System Settings ➙ Security ➙ Trusted Platform Module ➙ TPM 2.0
➙ TPM Firmware Version.
Update the TPM firmware
To update the TPM firmware, do the following:
1. Download and install Lenovo XClarity Essentials OneCLI.
To download Lenovo XClarity Essentials OneCLI, go to the following site:
https://datacentersupport.lenovo.com/solutions/HT116433
2. Run the following command:
OneCli.exe config set TrustedComputingGroup.DeviceOperation "Update to TPM 2.0 firmware version <x.x.x.x>" --bmc
<userid>
:<password>
@<ip_address>
where:
• <x.x.x.x> is the target TPM version.
e.g. TPM 2.0 (7.2.1.0) -> TPM 2.0 (7.2.2.0):
OneCli.exe config set TrustedComputingGroup.DeviceOperation "Update to TPM 2.0 firmware version 7.2.2.0" --bmc
<userid>
:<password>
@<ip_address>
Chapter 5. Hardware replacement procedures 167
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