out of the box classes which I like the most.you don't need to discover the devices for any individual parameters. Review collected by and hosted on G2.com.

Load balancing on zenoss instances. We usually need to restart the services. Review collected by and hosted on G2.com.

We have been using real-time monitoring of our hybrid IT environment. Review collected by and hosted on G2.com.

GUI and user experience can be more usefull Review collected by and hosted on G2.com.

The flexibility to monitor almost anything. Review collected by and hosted on G2.com.

Steep learning curve... lot of effort needs to be put in. Review collected by and hosted on G2.com.

User friendly

Helpful for RCA and troubleshooting Review collected by and hosted on G2.com.

Extensions deployment could be made easier and more UI based Review collected by and hosted on G2.com.

Modeling to discover changes in the environment as well as discovery of relationships to offer a full view up and down your stacks. Review collected by and hosted on G2.com.

The fact that you have to place a whole host into maintenance not just the components you are working on can be a tough feature to do without especially if your org already had it. Review collected by and hosted on G2.com.

Extremely configurable

Scaling

Community feedback/helpdesk assistance Review collected by and hosted on G2.com.

Not Plug-n-Play

Steeper learning curve compared to other tools Review collected by and hosted on G2.com.

Zenoss gives us lots of customization over monitoring can be tailored to suit our need using zenpack. Review collected by and hosted on G2.com.

For a normal user, There is a bit of learning curve to get used with way to develop zenpack plugins, Review collected by and hosted on G2.com.

The machine learning built into Metricly is their killer feature. Since it's monitoring your infrastructure at several layers, it can let you know when specific things are not normal. This is way more useful than normal monitoring tools which require you to predefine what normal is. Review collected by and hosted on G2.com.

The UI has a few rough edges and performance issues with large inventories, but they continually improve this and are responsive to suggestions. Review collected by and hosted on G2.com.

Infrastructure monitoring is a key in today's world and Zenoss has taken it to the next level with it's custom development packs. Review collected by and hosted on G2.com.

Unfriendly GUI interface, NEEDS MORE IMPROVEMENT WITH GUI. Review collected by and hosted on G2.com.

The layout and configurability is a little easier than using something like Nagios and the UI with graphing is definitely more friendly at a glance. Review collected by and hosted on G2.com.

Scalability of Zenoss when using a large number of complex monitors with a large number of nodes is still questionably. We have seen odd behaviour when reaching into the thousands of nodes. Review collected by and hosted on G2.com.