This might be old news to some 🙂
But PFDAVADmin is still a great utility and it works perfect for Exchange 2007 (from a client, see my last post). Besides using it to handle folder permissions, it can also recover public folders or public folder items, that have been accidentally deleted, as long as it’s within the retention time.
This article describes how to recover deleted public folders or items that are deleted from public folders in Microsoft Exchange Server 2003 or in Microsoft Exchange 2000 Server. You can use the Microsoft Exchange Server Public Folder DAV-based Administration (PFDAVAdmin) tool to recover public folders or items. You can use the methods that are described in this article when you cannot recover folders or items by using the Recover deleted items command in Microsoft Outlook.
Read more in the MS article.