Tembria Network Monitor is an affordable and easy-to-use network management tool. Tembria Network Monitor can monitor workstations and servers running on Windows, Linux, Solaris, HP/UX or another operating system supporting standard Internet Protocols.
You can detect when a machine is down, when specific services are down or when other unexpected events occur. Built-in notification mechanisms inform you quickly and automatically by e-mail, popup messages and other methods whenever an unexpected condition is detected.
A "Server" license for Tembria Network Monitor lets you install the monitoring service on one machine. From that one machine you may monitor as many machines as you choose. In practice the maximum number of machines that can be monitor depends on the monitoring options selected however it is generally feasible to monitor 200+ machines from one installation. | 
Download Trial
Buy