Capture Messenger Chat

One excellent utility that will help you keep track of what others are doing on your network without requiring any priviledges/software-installation on remote PC's
The software is available for all the messengers like Yahoo, ICQ, MSN, AIM.
Scroll below for download links .
Read the description for Yahoo. Others follow the same suit.

Yahoo Messenger Monitor Sniffer is handy network utility software designed to capture and observe Yahoo Messenger conversations on all computers in a network. It is able to record conversations automatically in real time. And export all intercepted messages to HTML files for later processing and analyzing. It is very easy to make it to work, and it will monitor all conversations in your Local Area network without the use of client software installed on the remote computer.


Key Features of Yahoo Messenger Monitor Sniffer

• Capture and sniff Yahoo Messenger conversations from remote computer on the network.
• Record or Yahoo Messenger chat conversations (include chat room).
• Export all intercepted messages to HTML files.
• Automatically send the chat logs to your e-mail for remote viewing.
• Password and hot key protection.
• Run in stealth mode.
• Start capturing on the program startup.
• User safe, easy, and powerful.

The same is also available for MSN , ICQ , AIQ
Download
Courtesy : immonitor.com