This post covers recently published Networking-related KB articles for the week of September 27th through October 3rd as well as October 4th through October 10th:

973097 Error message when the Smb.sys driver unloads on a computer that is running Windows Server 2003: "Stop 0x00000019"

973780 Some TCP connections between an NLB server that is running Windows Server 2008 and its clients are broken after the Port Scalability feature is enabled on the NLB server

976159 BITS jobs are lost when you downgrade from BITS 4.0

- Mike Platts