Hide the Network Neighborhood Icon from the Desktop - The Network Neighborhood/My Network Places icon is shown on the Windows desktop whenever Windows networking is installed, by enabling this setting the icon will be hidden.
Remove Entire Network from Network Neighborhood - Entire Network is an option under Network Neighborhood that allows users to see all the Workgroup and Domains on the network. Entire Network can be disabled, so users are confined to their own Workgroup or Domain.
Remove the Map and Disconnect Network Drive Options - Prevents users from making additional network connections by removing the Map Network Drive and Disconnect Network Drive buttons from the toolbar in Explorer and also removing the menu items from the Context menu of My Computer and the Tools menu of Explorer.
Disable Recent Shares in Network Places - This restriction stops remote shared folders from being added to Network Places whenever you open a document in the shared folder.