Find Duplicate VM IPs

Find Duplicate VM IPs.ps1

Function GetArrayDupes {
   param($array)
   $hash = @{}
   $array | %{ $hash[$_] = $hash[$_] + 1 }
   $result = $hash.GetEnumerator() | ?{$_.value -gt 1} | %{$_.key}
   Return $result
}

$VMs = Get-VM
$IPs = $VMs.Guest.IPAddress

$VMsDetected = @()
foreach ($IP in $(GetArrayDupes -array $IPs)) {

    $VMsDetected += $VMs | where {$_.Guest.IPAddress -like $IP}
    
    }

$VMsDetected | Select Name, @{N="IP";E={$_.Guest.IPAddress | where {$_ -notlike "fe80*"} | sort }} | Sort Name | Format-Table -Autosize