Here are the latest Networking-related KB articles:

948927  Error message when you use SmartCard-only authentication to log on to a Windows Vista-based client computer in a wireless network environment: "Cannot connect to <SSID>: Please contact network administrator"

950923  The SNMP Event Log Extension Agent does not initialize correctly on a computer that is running Windows Vista with Service Pack 1 or Windows Server 2008

949127  You cannot establish a wireless connection by using EAP authentication on a Windows XP-based client computer if the Service Set Identifier (SSID) includes a comma

- Mike Platts