Here are the most recent networking-related KB articles:
951008 No firewall is enabled after you upgrade a Windows Server 2003-based NAT/Basic Firewall router to Windows Server 2008
951005 The Network Policy Server may not log successful authentication events or failed authentication events in Event Viewer in Windows Server 2008
951006 Hyper-V virtual machines cannot reach the network when the vLan tagging is enabled on a Windows Server 2008-based computer
950094 A program may stop responding when it calls RPC functions on a Windows Server 2003-based computer that has remote access connections or VPN connections established
945553 MS08-020: Vulnerability in DNS client could allow spoofing
950676 PING commands to a Windows Server 2003-based computer may fail if you have enabled the Routing and Remote Access service by configuring the "NAT and basic firewall" and "LAN routing" services
946565 On a Windows Server 2003-based computer that has the update from security bulletin MS07-062 installed, you may experience a memory leak in DNS
951013 Error message when you establish an outgoing remote access connection in Windows Server 2003: "Error 734 - The PPP link control protocol terminated" or "TCP/IP CP reported error 31: A device attached to the system is not functioning"
947334 Error message when you try to connect a Windows Vista-based computer to a network projector in Windows Meeting Space: "The Network Projector could not be added to the meeting"
950134 On a Windows Vista-based computer, an application that uses the EnableStatic method of the Win32_NetworkAdapterConfiguration class may not always set a static IP address for a network adapter
949984 Changes to the 802.1X-based wired network connection settings in Windows XP Service Pack 3
- Mike Platts
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