SolarWinds customers and prospects have asked (be it at trade shows, phone calls, demos, etc.) what the difference is between SolarWinds products Server & Application Monitor (SAM) and Database Performance Analyzer (DPA) and if they can co-exist with one another. Although both products monitor SQL Server, their purpose and persona are unique and different. Each has its own benefits in serving various database support roles, but at the end of the day, you’re monitoring two sides of the same coin.
To read more check out this blog post that explains how DPA can coexist