$SecurePassword = ConvertTo-SecureString "PASSWORD_HERE" -AsPlainText -Force
$Credentials = new-object -typename System.Management.Automation.PSCredential -argumentlist "USERNAME_HERE", $SecurePassword
Get-SendConnector "SEND_CONNECTOR_HERE" | Set-SendConnector -DNSRoutingEnabled $false -SmartHosts 'SMARTHOST_HERE' -SmartHostAuthMechanism 'BasicAuth' -UseExternalDNSServersEnabled $false -AuthenticationCredential $Credentials

$SecurePassword = ConvertTo-SecureString "password" -AsPlainText -Force
$Credentials = new-object -typename System.Management.Automation.PSCredential -argumentlist "yusufozturk", $SecurePassword
Get-SendConnector "Internet Connector" | Set-SendConnector -DNSRoutingEnabled $false -SmartHosts 'smtp.dyndns.org' -SmartHostAuthMechanism 'BasicAuth' -UseExternalDNSServersEnabled $false -AuthenticationCredential $Credentials

$DAGMemberServersArray = New-Object System.Collections.ArrayList
 
If ($Selected.Count -eq "0")
{
	Write-Host "You didn't choose any DAG configuration."
	Write-Host " "
	Write-Host " "
	Read-Host "Press enter to go back"
}
else
{
	foreach ($DAGConfMember in $Selected)
	{
		$DAGInfo = (Get-DatabaseAvailabilityGroup $DAGConfMember)
		$DAGName = $DAGInfo.Name
		$DAGWitnessServer = $DAGInfo.WitnessServer.fqdn
		$DAGWitnessDirectory = $DAGInfo.WitnessDirectory.PathName
		$DAGIPAddress = $DAGInfo.DatabaseAvailabilityGroupIpv4Addresses
		Write-Host "DAG Name: $DAGName" -ForegroundColor Green
		Write-Host "DAG Witness Server: $DAGWitnessServer" -ForegroundColor Green
		Write-Host "DAG Witness Directory: $DAGWitnessDirectory" -ForegroundColor Green
		Write-Host "DAG IP: $DAGIpAddress" -ForegroundColor Green
		$DAGMemberServers = (Get-DatabaseAvailabilityGroup $DAGConfMember).Servers
		Foreach ($DAGMemberServer in $DAGMemberServers)
		{
			$DAGMemberServersArray.Add("$DAGMemberServer") | Out-Null
		}
		Write-Host "Server Members: $DAGMemberServersArray" -ForegroundColor Green
		Write-Host " "
		Write-Host " "
		$DAGMemberServersArray.Clear();
	}
 
	Read-Host "Press enter to go back"
 
	$Selected.Clear();
}

$AvailableHTServer = @(Get-ExchangeServer | where {$_.ServerRole -like "*HubTransport*" -and $_.ServerRole -notlike "*Mailbox*"})
$AvailableHTServerCount = $AvailableHTServer.Count
 
$DAGName = Read-Host "Enter a name for your DAG"
Write-Host " "
 
if ($AvailableHTServerCount -gt "0")
{	
	$AvailableHTServerName = $AvailableHTServer[0].Name
 
	Write-Host "Would you like to use $AvailableHTServerName as a witness server?"
	Write-Host "1) Yes"
	Write-Host "2) No"
	Write-Host " "
	[int]$HTQuestion = Read-Host "Enter number to select an option"
	Write-Host " "
 
	if ($HTQuestion -eq "1")
	{
		$WitnessServer = $AvailableHTServerName
	}
	else
	{
		$WitnessServer = Read-Host "Enter witness server name (like $AvailableHTServerName)"
	}
}
else
{
	Write-Warning "There are no suitable Hub Transport servers as a witness server."
	Write-Warning "You should enter a witness server which has no Mailbox role on it."
	Write-Warning "Make sure that the group Exchange Trusted Subsystem is added to the local administrators of the server that will be the witness server."
	Write-Host " "
	$WitnessServer = Read-Host "Enter witness server name"
}

$ErrorCode = $Null
Import-Module ServerManager
$ADStatus = (Get-WindowsFeature RSAT-ADDS).Installed
 
If ($ADStatus -ne $True)
{
	Write-Warning "You should install Active Directory Administration Tools (RSAT-ADDS)"
	Write-Host " "
	Write-Warning "Aborting.."
	Start-Sleep 3
	$ErrorCode = "500"
}
 
If ($ErrorCode -eq $Null)
{
	Write-Host " "
	$OrganizationName = Read-Host "Organization Name"
	Write-Host " "
	$CurrentLocation = (Get-Location).Path
	$SetupFile = $CurrentLocation + "\setup.com" 
	If (!(Test-Path -Path $SetupFile)) 
	{
		$SetupFilePath = Read-Host "Setup File Path"
		$SetupFile = $SetupFilePath + "\setup.com"
 
		If (!(Test-Path -Path $SetupFile)) 
		{
			Write-Warning "Could not find setup.com file."
			Write-Host " "
			Write-Warning "Aborting.."
			Start-Sleep 3
			$ErrorCode = "550"
		}
	}
}
 
If ($ErrorCode -eq $Null)
{
	&"$SetupFile" /PrepareAD /OrganizationName:$OrganizationName /hosting
	Write-Host " "
	Write-Host "AD preparation completed successfully."
	Start-Sleep 3
	$PrepareADStatus = "Completed"
}
else
{
	$PrepareADStatus = "Failed"
}