Listing 1: Code to Dynamically Query Mailbox Information

$exServer | ForEach-Object {
$_exServer = $_
$exStorageGroup | ForEach-Object {
$_exStorageGroup = $_
 ([string]$_exStorageGroup.properties.distinguishedname).split(",") | ForEach-Object {
     if ($_exStorageGroup -match $_exServer.properties.name) {
  $__exServer = $_exServer.properties.name
  $__exStorageGroup = $_exStorageGroup.properties.name
  $wql = "select * from Exchange_mailbox where (servername='" + '
$__exServer + "') and (storagegroupname='" + $__exStorageGroup + "')"
  $exmb = Get-WmiObject -namespace root\microsoftexchangev2 -query $wql -computer $__exServer
 $exmb | ForEach-Object { $_.MailboxDisplayName, $_.Size, $_.TotalItems }
     }
  }
}
}