What are the various system profiles, and how to set the parameter values?

SAP has 3 system profiles:

  • Start profile
  • Default profile
  • Instance profile

Transaction RZ10 can be used to edit any of these profiles. Start profile defines which SAP services are started, for e.g.: Message server, Dialog, Gateway or enqueue process.


Default profile will be used incase if the instance has multiple application servers. Mostly the global parameters will be defined in this profile such as buffer values, etc.,

Instance profile is where we can define additional configuration parameters such as authorization, login, memory, etc.,

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