Exam Essentials

Understand public folder trees. When Exchange Server 2003 is installed, the Default public folder tree is created and can thereafter be accessed as All Public Folders in any MAPI, NNTP, or HTTP client. There can be only one default public folder tree within your Exchange organization. You can, however, create an unlimited number of general-purpose public folder trees that can then be accessed by only NNTP or HTTP clients . You can create public folder trees only from the Exchange System Manager, but you can create new public folders from within Outlook or the Exchange System Manager.

Understand how public folders acts as recipient objects. Like users and groups, public folders can be mail-enabled, allowing them to receive e-mail messages. As well, you can configure storage limits on public folders that are similar to those available for configuration on mailboxes. Store limits can be configured at the public folder level, the public folder store level, or through a public folder store policy (discussed later in Chapter 9.)

Know the different types of public folder permissions. Public folders, like most other objects in Active Directory, can be configured with permissions to determine access to the public folder itself. Public folders have three different sets of permissions that can be configured on them: client permissions, directory rights, and administrative rights. Permissions are configured from the Permissions tab of the public folder Properties dialog box. Client permissions determine which users are allowed to perform specific tasks in the public folder, such as posting new items and creating new child folders. Directory rights are used to configure the NTFS permissions that determine who can perform modifications on the public folder object that is stored in Active Directory. Administrative rights allow you to assign NTFS permissions to users and groups that determine who is actually allowed to perform administrative tasks on the public folder.