if

    #----------------------------------------------#
	# Validate manager exists
	#----------------------------------------------#
	Start-Sleep -s 1
	$Manager = Get-ADUser $tbManager.Text
	
	# If the manager exists in AD then write a confirmation message to the rick text box
	If ($Manager | where-object { $_.SamAccountName -eq $tbManager.Text })
	{
		$rtbInformation.SelectionColor = 'green'
		$rtbInformation.AppendText("Validation check for manager has passed.`r")
		$rtbInformation.AppendText("`n")
	}
	# If the manager is not found then write a failure message and break the script
	Else
	{
		$rtbInformation.SelectionColor = 'red'
		$rtbInformation.AppendText("ERROR: The manager does not exist, please check and run creation again.")
		$rtbInformation.AppendText("`n")
		start-sleep -Seconds 2
		enablebuttons
		Return
}

	if (Get-ADUser -Identity $tbUsername.text | Where-Object { $_.SamAccountName -eq $tbUsername.Text })
	{
		$richtextbox1.SelectionColor = 'Green'
		$richtextbox1.AppendText("User created successfully")
		$richtextbox1.AppendText("`n")
	}
	Else
	{
		$richtextbox1.SelectionColor = 'Red'
		$richtextbox1.AppendText("User not created")
		$richtextbox1.AppendText("`n")
	}