Get-Tpm Verify that TpmReady is True . Then, list all TPM keys:
: If the error recurs on multiple machines, audit your Certificate Authority’s key recovery agent policies and ensure that the TPM Key Attestation feature in Windows is correctly configured to match Palo Alto’s expectations for hardware-backed authentication. Get-Tpm Verify that TpmReady is True
Get-TpmEndorsementKeyInfo Or use the TPM Management Console ( tpm.msc ) to check for "Matching" vs "Mismatched" keys under . Get-Tpm Verify that TpmReady is True