Find the primary private IP address of VMs in Azure

Get-AzureRmVMPrivateIPAddresses.ps1

$VMs = Get-AzureRmVM
$Results = @()

ForEach ($VM in $VMs)
{
    ForEach ($NicID in $VM.NetworkInterfaceIDs)
    {
        $Nic = Get-AzureRmResource -ResourceId $NicID | Get-AzureRmNetworkInterface
        $Result = New-Object PSObject
        $Result | Add-Member -MemberType NoteProperty -Name "ResourceGroupName" -Value $VM.ResourceGroupName
        $Result | Add-Member -MemberType NoteProperty -Name "VMName" -Value $VM.Name
        $Result | Add-Member -MemberType NoteProperty -Name "NicName" -Value $Nic.Name
        $Result | Add-Member -MemberType NoteProperty -Name "PrivateIpAddress" -Value $Nic.IpConfigurations[0].PrivateIpAddress

        $Results += $Result
    }
}

$Results