Param(
   [string]$dnsServer01,
   [string]$dnsServer02,
   [string]$adPassword,
   [string]$domain
)

Set-PSDebug -Trace 1

# Install MS AD Tools
Install-WindowsFeature -Name GPMC,RSAT-AD-PowerShell,RSAT-AD-AdminCenter,RSAT-ADDS-Tools,RSAT-DNS-Server

# Set DNS Servers to New AD Server
Set-DNSClientServerAddress -interfaceIndex 3 -ServerAddresses ($dnsServer01,$dnsServer02)

# Join the domain now.
$password = ConvertTo-SecureString $adPassword -asPlainText -Force
$username = "$domain\Administrator"
$credential = New-Object System.Management.Automation.PSCredential($username,$password)
Add-Computer -DomainName $domain -Credential $credential

# Restart our computer
Restart-Computer -Confirm:$false