New Networking-related articles for the week of May 15 – May 21

I have three new networking-related articles to share with you this week: 2533454 Resolving Internet connectivity issues on World IPv6 Day (June 8, 2011) 2550576 STOP 0xC4 may occur in tcpipreg.sys following a reboot after Driver Verifier is enabled on Windows 7 SP1 or Windows Server 2008 R2 SP1 2551021 Initiating a TCP session with… Read more

TCP DupACKs and TCP Fast Retransmits

Hello all, my name is Mehul and I am with Platforms Networking support. We receive many calls dealing with slow file transfer when copying files using TCP (such as SMB file copying or FTP file transfer). The recommended approach to troubleshoot these scenarios is to take Network Monitor traces at the source and the destination…. Read more

New Networking-related articles for the week of May 1 – May 7

I had no new articles to present last week, and this week I have just two new ones. Enjoy! 2536720 Third-party applications or services encounter an authentication failure when security update 2478960 is installed in Windows Server 2003 2546625 Operation could not be completed (error 0x00000709) when trying to use a CNAME for your Windows… Read more

Technology Details and Solutions on TechNet

I recently read a post by Joseph Davies over at the WSiX Network Connection blog about a resource on TechNet I hadn’t seen before that many of our readers may be interested in. The Windows Server Information eXperience guys have been hard at work updating the Networking and Access Technologies page on TechNet. This is… Read more

New Networking-related articles for the week of October 17 – October 23

What I have to share this week is nothing compared to the mountain of content released last week, but here are the latest networking-related articles: 2448270 Windows 7 Upgrade Advisor tool failed to run with error message “Windows 7 Upgrade Advisor was unable to reach the Microsoft server for compatibility information. Check your internet connection… Read more

New Networking-related articles for the week of October 10 – October 16

The drought appears to be over! I have quite a number of new networking-related articles to share with you this week: 2248145 IPsec connection in the IKEv1 tunnel mode fails from a computer that is running Windows 7 or Windows Server 2008 R2 2353808 The WINS replication operation fails on a failover cluster node that… Read more

Are your client machines getting errors such as “Network Path Not Found” or “The Specified Network Name Is No Longer Available” when connecting to a Windows 2008 Server share?

Hello, I am Robert Paige from the Windows Server Partner Ecosystem Team. I wanted to resurface a continuing support issue with deployments that I first commented on back in December of 2009, and again in a March post. After a very encouraging decrease in support incidents traced to this issue, we’ve seen an upward trend… Read more

New Networking-related articles for the week of September 12 – September 18

Hi all – this week I have 5 new networking-related articles to share with you: 2366024 Primary DNS suffix for a Windows server 2008, Windows server 2008 R2, Windows 7, Windows Vista, deployment using an Answer file may not be set. 2282988 DNS Model for MBCA 2.0 for Windows Server 2008 – download location +… Read more

New Networking-related articles for the week of September 5 – September 11

Hi everyone – below are the most recently published networking-related articles: 2253198 Remote Desktop Gateway Installation And Public Configuration 2253032 DirectAccess Installation and Configuration 2253119 NLB migration questions and answers 2161341 Active Route removed on Windows Server Failover Cluster – Mike Platts… Read more

Network Location Awareness (NLA) and how it relates to Windows Firewall Profiles

I am writing this blog post because we get a lot of questions regarding how NLA determines a network profile and how it relates to Firewall Profiles as the two are often confused. What is NLA? First let’s start with what NLA does. For each network interface the PC is connected to, NLA aggregates the… Read more