On Windows 3.x, a "shared" RFC
Library (DLL) is also provided with the following
- Any RFC module in SAP R/2 or R/3 can be called from within
- From ABAP programs in R/3 Systems, RFC server programs can only
be called up via SAPGUI. However, this is possible only with SAPGUI
version >= 2.1J / 2.2 D.
- All RFC calls in an RFC client or server program must be
performed in one task. RFC calls in different Windows tasks are not
The RFC library can be run with all TCP/IP products for Windows
that support sockets.
For more information, refer to SAP Network Supported