Get last AD User logon

getLastLogon.ps1

#Check if the account exists.
If($Results.Count -eq 0)
{
    Write-Warning "The SamAccountName '$UserName' cannot find. Please make sure that it exists."
}
Else
{
    Foreach($Result in $Results)
    {
        $DistinguishedName = $Result.Properties.Item("DistinguishedName")
        $LastLogonTimeStamp = $Result.Properties.Item("LastLogonTimeStamp")

        If ($LastLogonTimeStamp.Count -eq 0)
        {
            $Time = [DateTime]0
        }
        Else
        {
            $Time = [DateTime]$LastLogonTimeStamp.Item(0)
        }
        If ($LastLogonTimeStamp -eq 0)
        {
            $LastLogon = $Time.AddYears(1600)
        }
        Else
        {
            $LastLogon = $Time.AddYears(1600).ToLocalTime()
        }

        #Output in comma delimited format.
        $Hash = @{
                    SamAccountName = $UserName
                    LastLogonTimeStamp = $(If($LastLogon -match "12/31/1600")
                                            {
                                                "Never Logon"
                                            }
                                            Else
                                            {
                                                $LastLogon
                                            })
                    }
        $Objs = New-Object -TypeName PSObject -Property $Hash

        $Objs
    }
}