I did not use another solution prior to Entuity.

I've used SolarWinds, Micro Focus and Netcool for IBM.

One of our customers had SolarWinds, but I haven't worked with this product or any other product. 

We switched to this solution for its easy integration capabilities, which allows us to have a centralized dashboard for ticketing, follow-ups, assignments, etc.

We use multiple solutions depending on the needs of a client. We use Entuity. We've made use of Cognos. With some of our enterprise clients, we look at TrueSight. We've looked at WhatsUp Gold for some of the solutions. It all depends on what the client has got to monitor, what the client has got available and how big an organization the client is. It depends on how many endpoints are required. We didn't switch so much as choose what's best in situations.