WayTooMuch.ps1

$ReservationsFile = "P:\DOCS\TECH\DataComm Infrastructure\DHCP-NetMan-20140721000436-NewLayout.XML"
[xml] $xml = Get-Content $ReservationsFile
$Reservations = $xml.DHCPServer.IPV4.Scopes.Scope.Reservations.Reservation;
#/DHCPServer/IPv4/Scopes/Scope/Reservations/Reservation"
foreach ($Reservation in $Reservations)
{
  if("YES" -eq $Reservation.UpdateServer)
  {
    $dhcpEntry = 
    @{ 
      ClientID=$Reservation.ClientId;
      Name=$Reservation.Name;
      IPAddress=[System.Net.IPAddress] $Reservation.IPAddress;
      Description=$Reservation.Description;
      Type='BOTH';
      ComputerName='domain01';
    };
    #$dhcpEntry 
    <#Get-DhcpServerv4Reservation 
      [-ScopeId] <IPAddress> 
      [-ClientId] <String[]> 
      [-AsJob] 
      [-CimSession <CimSession[]> ] 
      [-ComputerName <String> ] 
      [-ThrottleLimit <Int32> ] 
      [ <CommonParameters>]
    #>
    
    [string]$Mac1='00-16-d4-08-3b-e7';
    [string]$Mac2='da-f3-1b-1d-b2-9a';  #DOES NOT EXIST.
    [string]$Mac3='00-16-d4-08-3c-0c';
    ""

    $dhcpEntry.Item("ClientId")
    'dhcpEntry.Item("ClientId").GetType() = ' + $dhcpEntry.Item("ClientId").getType()
    ""
    'Mac1.GetType() ' + $Mac1.GetType()
    ""
    'Mac1.GetTypeCode() ' + $Mac1.GetTypeCode()
    ""
    #$MacAlreadyHasReservation = Get-DhcpServerv4Reservation -ClientID $($dhcpEntry.Item("ClientId"))  -ScopeID 10.0.100.0  -ComputerName "domain01.network.corp.eceo.us" -Verbose
    #$MacAlreadyHasReservation
    $MacAlreadyHasReservation = Get-DhcpServerv4Reservation -ClientId '$Mac1' -ScopeId 10.0.100.0 -ErrorVariable $err
    if($err) { ERROR: $err }
    $MacAlreadyHasReservation
    $MacAlreadyHasReservation = Get-DhcpServerv4Reservation -ClientId '$Mac2' -ScopeId 10.0.100.0 -ErrorVariable $err
    if($err) { ERROR: $err }
    'err= ' + $err
    'Error= ' + $Error
    'ErrorView = ' + $ErrorView
    $MacAlreadyHasReservation
    
    <#$MacAlreadyHasReservation = Get-DhcpServerv4Reservation -ClientId '$Mac3' -ScopeId 10.0.100.0 -ErrorVariable $err
    if($err) { ERROR: $err }
    $MacAlreadyHasReservation #><#| Get-Member #>
    
    #Get-DhcpServerv4Reservation.ps1 $dhcpEntry.Keys("ClientID")
    #Add-DhcpServerv4Reservation -ComputerName dhcpserver.contoso.com -ScopeId 10.10.10.0 -IPAddress $freeip -ClientId F0-DE-F1-7A-00-5E -Description "Reservation for Printer"
    #Set-DhcpServerv4Reservation @dhcpEntry -Confirm;
    <#
    Set-DhcpServerv4Reservation 
      -ComputerName dhcpserver.contoso.com
      -Name printer.contoso.com 
      -IPAddress 10.10.10.5 
      -Description "Fourth Floor Printer" 
    #>
    Write-Output "";
  }
}