Get-MACtoIP.psm1

function Get-MACtoIP {
    param (
        [Parameter(Position = 0, Mandatory = $true)][String]$MACAddress
    )
    # Activate this line below when HDQ-DC1 has been replaced. Has an issue with invoke-command with its FQDN.
    # $dhcpservers = Get-DhcpServerInDC | select -ExpandProperty DnsName
    $convertedMAC = $MACAddress -replace ':','-'
    Invoke-Command hdq-dc1,hdq-dc6 {Get-DhcpServerv4Scope | Get-DhcpServerv4Lease | where ClientId -eq $convertedMAC}
}