We use up.time from http://www.uptimesoftware.com/
We monitor all aspects of our enterprise using it, including: Network devices, OS (Windows, Linux, NetWare), Applications (LDAP, DNS, MS Exchange, Oracle, etc), Performance, and hardware monitoring. We have much more than 5000 elements being monitored.
We had a huge number of separate systems monitoring each flavor of component, including MOM, Nagios, NetMon, and many others. We wanted one pane of class to see the whole Infrastructure and be able to show the "service" availability. Obviously, each specialist system can monitor their own key element in some ways better, eg MOM can monitor things within Exchange better, but for a single Monitoring system this one won our evaluation process.
Check it out.
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We use up.time from http://www.uptimesoftware.com/ We monitor all aspects of our enterprise using it, including: Network devices, OS (Windows, Linux, NetWare), Applications (LDAP, DNS, MS Exchange, Oracle, etc), Performance, and hardware monitoring. We have much more than 5000 elements being monitored. We had a huge number of separate systems monitoring each flavor of component, including MOM, Nagios, NetMon, and many others. We wanted one pane of class to see the whole Infrastructure and be able to show the "service" availability. Obviously, each specialist system can monitor their own key element in some ways better, eg MOM can monitor things within Exchange better, but for a single Monitoring system this one won our evaluation process. Check it out.