I’m so excited about this release I had to commandeer Paul’s blog for the day and write about it. My name is Tawanda Sibanda and I am the lead program manager for Network Monitor. The team put a lot of effort into this version, adding many of the requests...

OK, I'm not going to blow smoke up your Async port. I don't mean to say that the NMCap is necessarily easy to use, though it's not that hard. But any command line utility always has its quirks. Isn't that why GUI was invented? What NMCap does make...

The NM3.1 is now available on http://connect.microsoft.com featuring wireless sniffing and an easier way to create filters using "Right Click Add To Filter". Here is a list of features that are new to NM3.1. What's New in Network Monitor 3.1? ...

One of the exciting new features in NM3.1 is the ability to capture wireless network data and management packets on Vista. This new feature provides Network Monitor a useful tool for trouble shooting wireless problems. What do you mean, wireless Management...

One of the most popular requests we've had is to provide a way to view encrypted traffic. The new Decryption expert aims to solve this problem for TLS/SSL traffic. Using the Decryption Expert The purpose of encrypting data in the first place is to hide...

Event Tracing for Windows, (ETW), has been around for quite a while now as it was introduced in Windows 2000. It's basically instrumented logging that describes what a component is doing. Conceptually, it’s something like the proverbial printf("here1...

After many months of hard work we are proud to announce the Release to Web of Microsoft Network Monitor 3.0 (NM3). The final version is available from Microsoft Connects site ( http://connect.microsoft.com ). The Connects site does require you have a...

Challenges of Filtering One of the biggest changes between NM2.x and NM3.0 is the way you do filtering. Old NM2.x hacks may be challenged by the loss of the UI wizard to build filters. On the other hand, Ethereal users may be pleased and further encouraged...

Guest blog by Tawanda Sibanda, Lead Program Manager for Network Monitor Ladies and gentlemen … the Microsoft Network monitor team is excited to announce the release of Network Monitor 3.3. A record 7 months after version 3.2 this is our quickest release...

I’m proud to announce the release of Network Monitor 3.4 to the Microsoft Download center . We’ve included a bunch of new exciting features and updates. A new high performance capturing feature allows you to capture on faster networks without...

Color Filters in Network Monitor are a simple way to make frames stick out in a trace. Dealing with large traces often makes it difficult to see important information. The sea of data represented by network traffic becomes a difficult backdrop to catch...

1. Introduction One of the most common protocols that we need to deal with these days is the HTTP Protocol. This is not only a privilege of Internet users, there are a lot of Intranet users that also use this protocol for internal transactions. ...

Parser Profiles are a new feature available in our 3.4 Beta . Rich parsers provide detailed information about every part of packet. However this detail comes with a price as it takes longer to parse and filter frames. Parser Profiles are designed to help...

The Elves are working furiously on the next version of Network Monitor 3.2. But it seems that NM3.2 won’t be under the tree for Christmas for this season. In a few more months, however, we will have a new Beta available for public consumption. And you...

I’m excited to announce that the Network Monitor 3.2 Beta has released. There are some exiting new features listed below of which many I have already spoken about in this blog: http://blogs.technet.com/netmon/archive/2007/12/28/santa-s-bag-was-full...

Performance issues are one of the more difficult problems to trouble shoot. Without a baseline, it's often hard to determine if something is really slower. But TCP does contain some built-in behavioral patterns that can be used as a signal to tell you...

Using the previous blog on “Intro to Name Resolution” we should have a basic idea of what is supposed to happen when a name needs to be resolved. Now let’s discuss how you’d use Network Monitor to determine where the problem is when connecting to your...

Performance problems suck...time! But years of "Where's Waldo" has trained our brains in preparation for this moment. The TCP Analyzer expert, available from our Experts Download Page[ http://go.microsoft.com/fwlink/?LinkID=133950] takes advantage...

This article was original posted by Yuri Diogenes on http://blogs.technet.com/latam in Spanish. Overview of Network Monitor 3 Beta 2 1. Summary Microsoft is releasing the Beta 2 version of the Network Monitor 3 and we would like to show...

I’ve recently played with a new tool here at MS, which analyzes HTTP traffic and provides performance information so that you can better tune your web servers and applications. I also have seen an internal SMB expert that summarizes SMB traffic, for instance...

Having worked in Product Support for many years, I’ve had many occasions where a specific Event Log error was showing up, and we wanted to understand how this event related to the problem we were t-shooting. And in some cases, the Event Log error was...

We are extremely excited to announce that the Network Monitor 3.4 Beta has released on Connect . If you haven't done so already, please sign-up (for free) and help us test the new version while exploring it. There are some great new features, UI enhancements...

Capturing a trace during a boot is a common task that can be difficult to accomplish. In fact the most fool proof way to capture all traffic at boot is to capture the traffic from a 3rd party capturing machine in promiscuous mode. But this requires you...

by Darren J. Fisher – Network Monitor Development Lead Capturing network traffic is actually a very stressful task for most computers. With modern networks, traffic can arrive to a system at astounding rates. Most machines built these days have...

Behold the mysterious world of OpLocks (Opportunistic Locking). Often OpLocks will be disabled by a user or system administrator in order to help address a performance problem. And this practice might not always be the best course of action. Understanding...