Access-based enumeration hides files and folders that users do not have permission to access. By default, this feature is not enabled for DFS namespaces. For more information about how to enable and configure access-based enumeration for Windows Server 2008 or for Windows Server 2008 R2, visit one of the following Microsoft Web sites:
Note Only the command line configuration options are available in Windows Server 2008, but both the command line and the Windows interface options are available in Windows Server 2008 R2.