You can start, stop, and restart vSphere Trust Authority services by using the vSphere Client.

The services that make up vSphere Trust Authority are the Attestation Service (attestd) and the Key Provider Service (kmxd).


  1. Connect to the vCenter Server of the vSphere Trust Authority Cluster by using the vSphere Client.
  2. Log in as an administrator.
  3. Browse to an ESXi host in the Trust Authority Cluster.
  4. Select Configure, then select Services under System.
  5. Locate the attestd service and the kmxd service.
  6. Select the Restart, Start, or Stop operation as appropriate.