Cool blog post about disabling Network Discovery from the Enterprise Networking Team
In Disabling Network Discovery/Network Resources, Senior Support Escalation Engineer David Pracht provides a excellent overview of the Network Discovery capability in Windows 7 and Windows Vista, its relationship with Windows Firewall rules, and detailed advice on how to disable it.
Check this out for a deeper understanding of Network Discovery.
Thanks to David for this in-depth content!
Windows Server Information Experience