When you upgrade to vSphere 6.7, you might see a host TPM attestation alarm in your vCenter Server, which can indicate an issue with the host attestation process. To resolve this vSphere TPM error, ensure you have the right Trusted Platform Module chip installed and the correct settings — adjustable via your server’s United Extensible Firmware Interface — enabled or disabled.
If you recently upgraded to vSphere 6.7, you might notice that your vCenter Server now lists errors on your ESXi hosts. Specifically, in vSphere 6.7, vCenter Server associates Host TPM alarms with specific hosts. You can troubleshoot and resolve this error by disconnecting and reconnecting the host from vCenter Server, or by verifying a host’s authenticity.
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