The effect of TCP Chimney offload on viewing network traffic

Have you ever run in to a problem where you are attempting to troubleshoot a network connectivity issue with a network capture utility and seen only the 3 way handshake? This will happen if you are using Netmon 2.x, Netmon 3.x, Wireshark, Ethereal and most other network capture utilities. It is relatively common knowledge that… Read more

New update available for Windows Server 2003 SP2 systems to disable Scalable Networking Pack features

As you may know, Service Pack 2 for Windows Server 2003 included the Scalable Networking Pack (or SNP) which allowed for increased performance in many situations by allowing some TCP functionality to be handled by the network driver and network adapter instead of the Windows TCP/IP stack itself.  This functionality was enabled by default in… Read more

Windows Server 2003 Networking-related Knowledge Base Articles for the week ending February 1st

Here are recent KB articles that relate to networking technologies in Windows Server 2003: http://support.microsoft.com/?kbid=945466 You receive a Stop error message when a computer that is using a TCP/IP Offload Engine (TOE)-enabled adapter is running under low resources in Windows Server 2003 2/1/2008 Windows Svr Ent 2003 EN http://support.microsoft.com/?kbid=943665 A Windows Server 2003 Service Pack… Read more

Latest Windows Server 2003 Networking-related Knowledge Base Articles

There is just one new article for Windows Server 2003 this week – no new articles for Windows XP or Windows Vista: http://support.microsoft.com/?kbid=940202 A Windows Server 2003-based computer may stop responding during shutdown after you install the Scalable Networking Pack 12/27/2007 Windows Svr Std 2003 EN… Read more

SP2 Scalable Networking Pack & Connectivity Issues

KB 936594 http://support.microsoft.com/kb/936594 and KB 912222 http://support.microsoft.com/kb/912222 both do a great job addressing some of the issues encountered where Service Pack 2 (and the Scalable Networking Pack by default) is installed on some machines in given scenarios. Recently I’ve found one command that has been very helpful in troubleshooting issues arising from the Scalable Networking… Read more