The Network Monitor application was developed to be a protocol analyzer. It allows you to capture network traffic, view and analyze it. Version 3.4 is an update and replaces Network Monitor 3.4. Network Monitor 3.x is a complete overhaul of the previous Network Monitor 2.x version.

Instructions
The Network Monitor core engine has been decoupled from the parser set. To install the full Network Monitor 3.4 product:
- Run the setup.exe for the platform you are installing.
- You will be prompted first to install the core engine. Follow the installation directions. Make sure you close existing instances of netmon.exe, nmcap.exe and any running NMAPI applications.
- Next you will be prompted to install the parser package.

To uninstall the full Network Monitor 3.4 product:
- Go to Add/Remove Programs in Control Panel
- Uninstall both Microsoft Network Monitor 3.4 and Microsoft Network Monitor: NetworkMonitor Parsers 3.4

What's New in This Release: [ read full changelog ]

· Process tracking: Categorize network traffic based on the name and ID of the owning process.
· Extensive parser set: For over 300 public and Microsoft proprietary protocols.
· Improved capture rate: Drop fewer frames on high-speed networks.
· ContainsBin plug-in: Search frames for strings or arbitrary byte sequences.
· Find conversations: Quickly isolate related frames.
· Network Monitor 3.2 API: Create your own applications that capture, parse, and analyze network traffic.
· Support for frame truncation.
· Indication of the number of dropped frames.
· Streamlined UI toolbar