Unless you are using Dashboard Manager with Performance Manager, Predictive Analytics, or Statistics Process Control, you don’t really need these guys.
They were all a part of the EPM suite and used to require a separate key to install. Now they are just clutter
If we’re not using Crystal Reports, would it be safe to stop the Crystal servers also? Or, are there dependencies I need to be aware of for running Deski and Webi reports? Doesn’t make sense that there would be dependencies for Deski and Webi reports to the Crystal severs - just want to make sure…