When added to an ESXi host, a Trusted Platform Module 2.0 compatible chip attests the integrity of the platform. You can view the attestation status of the host in the vSphere Client. You can also view the Intel Trusted Execution Technology (TXT) status.


  1. Connect to vCenter Server by using the vSphere Client.
  2. Navigate to a data center and click the Monitor tab.
  3. Click Security.
  4. Review the host's status in the Attestation column and read the accompanying message in the Message column.
  5. If this host is a Trusted Host, see View the Trusted Cluster Attestation Status for more information.

What to do next

For a Failed or Warning attestation status, see Troubleshoot ESXi Host Attestation Problems. For Trusted Hosts, see Troubleshoot Trusted Host Attestation Problems.