$InputFile = import-csv -Path ".\recipientssi.csv"
$i=0
$password = ConvertTo-SecureString "P@ssW0rd" -AsPlainText -Force
$ou = "domain.local/OU01_Compta"
foreach ($NewMailbox in $InputFile)
{
	$upn = $NewMailbox.alias + "@domain.local"
	New-Mailbox -Alias $NewMailbox.Alias -Name $NewMailbox.DisplayName -FirstName $NewMailbox.FirstName -LastName $NewMailbox.LastName -UserPrincipalName $upn -Password $password -OrganizationalUnit $ou -Database EXCHSRV001\DB001
	$i=$i+1
  	if ($InputFile.Count -ge 0)
    {
    	Write-Progress -activity " *  * Creating Mailboxes" -Status $upn -percentcomplete ($i/$InputFile.Count*100) 
    }
}