#1. Autodiscovery prüfen Zeil 47
#2. Exchange Zertifikat anhand Autodiscovery prüfen und evtl. als vertraunswürdig importieren
#3. Exchange WebApi installieren und Variable ändern
#4. Impersonation setzen (New-ManagementRoleAssignment -Name:"Administrator" -Role:ApplicationImpersonation -User:Administrator@domain.local) und in Zeile 44 hinterlegen
#5. set-executionpolicy unresticted


[string]$info = "White"                # Color for informational messages
[string]$warning = "Yellow"            # Color for warning messages
[string]$error = "Red"                 # Color for error messages
[string]$LogFile = "E:\Log.txt"        # Path of the Log File 
[String]$FolderName = "MailStoreArchiv"
Clear-Host

Add-PSSnapin Microsoft.Exchange.Management.PowerShell.E2010

function CreateFolder($MailboxName) {
    Write-host "Creating Folder for Mailbox Name:" $MailboxName -foregroundcolor  $info
    Add-Content $LogFile ("Creating Folder for Mailbox Name:" + $MailboxName) 

    #Change the user to Impersonate
    $service.ImpersonatedUserId = new-object Microsoft.Exchange.WebServices.Data.ImpersonatedUserId([Microsoft.Exchange.WebServices.Data.ConnectingIdType]::SmtpAddress,$MailboxName); 
    
    Write-Host "Create the folder object" 

    $oFolder = new-object Microsoft.Exchange.WebServices.Data.Folder($service)
    $oFolder.DisplayName = $FolderName 
    

   Write-Host "Call Save to actually create the folder"
    $oFolder.Save([Microsoft.Exchange.WebServices.Data.WellKnownFolderName]::msgfolderroot) 

    Write-host "Folder Created for " $MailboxName -foregroundcolor  $warning
    Add-Content $LogFile ("Folder Created for " + $MailboxName) 

    $service.ImpersonatedUserId = $null
} 

#Change the name of the folder
Import-Module -Name "C:\Program Files\Microsoft\Exchange\Web Services\2.0\Microsoft.Exchange.WebServices.dll" 

$service = New-Object Microsoft.Exchange.WebServices.Data.ExchangeService([Microsoft.Exchange.WebServices.Data.ExchangeVersion]::Exchange2010_SP2) 

# Set the Credentials
$service.Credentials = new-object Microsoft.Exchange.WebServices.Data.WebCredentials("Administrator","password","domain.local") 

# Change the URL to point to your cas server
$service.Url= new-object Uri("https://autodiscoverurl.local/EWS/Exchange.asmx")

# Set $UseAutoDiscover to $true if you want to use AutoDiscover else it will use the URL set above
$UseAutoDiscover = $false
$Mailboxes = get-mailbox digitaldata
$Mailboxes = get-mailbox -ResultSize Unlimited | Where-Object {$_.displayname -notlike 'SystemMailbox*' -AND
                                                               $_.displayname -notlike 'Microsoft System Attendant*' -AND
                                                               $_.name -notlike 'DiscoverySearchMailbox*' 
                                                               } |  ?{-not ($_.User -match “NT AUTHORITY”) -and -not ($_.User -match “NT-AUTORITÄT”)}

$Mailboxes | foreach-object {
    $WindowsEmailAddress = $_.WindowsEmailAddress.ToString() 

    if ($UseAutoDiscover -eq $true) {
        Write-host "Autodiscovering.." -foregroundcolor $info
        $UseAutoDiscover = $false
        $service.AutodiscoverUrl($WindowsEmailAddress)
        Write-host "Autodiscovering Done!" -foregroundcolor $info
        Write-host "EWS URL set to :" $service.Url -foregroundcolor $info 

    }
    #To catch the Exceptions generated
    trap [System.Exception] 
    {
        Write-host ("Error: " + $_.Exception.Message) -foregroundcolor $error;
        Add-Content $LogFile ("Error: " + $_.Exception.Message);
        continue;
    }
    CreateFolder($WindowsEmailAddress)
}