LucD, thank you for this. This was the command that I was playing with trying to get to work. Here is the error that I get when executed this on one VM as a test.
Get-vm -Name rickpo-test | Get-VMGuestNetworkInterface | Set-VMGuestNetworkInterface -IPPolicy Static 10.10.10.10 -Netmask 255.255.255.0 -Gateway 10.10.10.1
Get-VMGuestNetworkInterface : 8/6/2013 12:08:50 PM Get-VMGuestNetworkInterface Failed to authenticate with the guest operating system using the supplied c
redentials.
At line:1 char:55
+ Get-vm -Name rickpo-test | Get-VMGuestNetworkInterface <<<< | Set-VMGuestNetworkInterface -IPPolicy Static 10.10.10.10 -Netmask 255.255.255.0 -Gateway 10.10.10.1
+ CategoryInfo : NotSpecified: (:) [Get-VMGuestNetworkInterface], InvalidGuestLogin
+ FullyQualifiedErrorId : Client20_VmGuestServiceImpl_GetGuestAuthentication_ViError,VMware.VimAutomation.ViCore.Cmdlets.Commands.GetVmGuestNetworkInterface