You can review the version and build number of a single vCloud Availability component.
You can get the version of all vCloud Availability components by using the vamicli utility.
To get the version of a vCloud Availability component, create an SSH connection to the host or log in to the host Remote Console and run the following command:
vamicli version --appliance
The system returns the full version and build number of the appliance you are connected to.