We have several systems with up to 4 productive clients on one system. it makes sense, if the processes are nearly same in the clients or if you want to save money for hardware and production of the systems. you have to be careful with the non-client-specific customizing, dictionary objects, workflows and programs. if these obje...
We had at one time 4 (four) clients on one system - as long as you prepare your coding accordingly (e.g. check sy-mandt...) and make sure that your customizing-tables (which are no...