This section explains how the RFC interface works within SAP Systems, what functionality is provided and what the technical requirements are.

An ABAP program can call up an OLE Automation Server (such as Excel) on the desktop. The ABAP OLE Automation Controller consists of a set of ABAP language elements that an ABAP client program can use to drive an OLE Automation server on either Windows or Apple Macintosh frontends. Special OLE functions contained in the SAPGUI are called via RFC. SAPGUI represents the actual OLE client that calls the server program.