Check PF hierarchy synchronization on Exchange 2013

Check-HierarchySync.ps1

# Check-HierarchySync.ps1

$allPFs = New-Object 'System.Collections.Generic.List[string]'
$PFsPerMbx = New-Object 'System.Collections.Generic.Dictionary[string, System.Collections.Generic.List[string]]'

$pfMailboxes = Get-Mailbox -PublicFolder
foreach ($pfMailbox in $pfMailboxes)
{
    "Getting public folders from mailbox: " + $pfMailbox
    $pfs = Get-PublicFolder -Recurse -Mailbox $pfMailbox.Identity | % { $_.Identity.ToString() }
    $PFsPerMbx.Add($pfMailbox.Name, $pfs)
    foreach ($pf in $pfs)
    {
        if (!$allPFs.Contains($pf))
        {
            $allPFs.Add($pf)
        }
    }
}

$allPFs.Sort()

foreach ($key in $PFsPerMbx.Keys)
{
    $foldersMissing = New-Object 'System.Collections.Generic.List[string]'
    $foldersMissing.AddRange($allPFs)
    foreach ($pf in $PFsPerMbx[$key])
    {
        $foldersMissing.Remove($pf) | Out-Null
    }

    if ($foldersMissing.Count -gt 0)
    {
        "Folders missing in mailbox: " + $key
        $foldersMissing
        ""
    }
    else
    {
        "No folders missing in mailbox: " + $key
    }
}