WSUSMon is a simple, FREE utility that allows you to monitor Microsoft Windows Software Update Services version 2 (WSUS) in real time.
While I like Windows Server Update Service and use it a lot, I found that the reports it produced did not give me a good sense of current activity. I checked the WSUS SDK that Microsoft produced and there didn't appear to be quite what I was looking for either.
So WSUSMon periodically queries the WSUS Database and displays the current state of clients connecting to the WSUS server.
WSUSMon is completely free for personal and commercial use. It may be freely used, copied and distributed as long as it is not sold, or modified in any way. By using this Software, you agree to these terms and the terms of the Disclaimer below:
DISCLAIMER This Software and any support from its author are provided "AS IS" and without warranty, express or implied. The author specifically disclaim any implied warranties of merchantability and fitness for a particular purpose. In no event will the author be liable for any damages, including but not limited to any lost profits, lost savings or any incidental or consequential damages, whether resulting from impaired or lost data, software or computer failure or any other cause, or for any other claim by the user or for any third party claim.
(Thanks to 72dpi for the webspace)