Virtual machine primary IP address determination

Hi All,

I want to second this unanswered question - how virtual machine primary IP address is determined when virtual machine has multiple NICs? The closest to what I am looking for is vSphere PowerCLI Reference documentation, which says this:

"This cmdlet retrieves the virtual machines on a vCenter Server system. Returns a set of virtual machines that correspond to the filter criteria provided by the cmdlet parameters. For virtual machines with multiple NICs and multiple IP addresses, the IPAddress property of the VMGuest object contains all IP addresses of the virtual machine. The IP at position 0 is the primary IP address."

Thank you,

Ymnick