# RFC Connectivity

The RFC connection provides connectivity of the CodingControl™ services to the client or customers SAP system to allow the bi-directional flow of order, material or processing data.

<figure><img src="/files/oB0bXS5kCO0DJ17F6Vyr" alt=""><figcaption></figcaption></figure>

See section '**Windows Service RFC Destination**' for details relating to SM59 connectivity.

:information\_source: As part of the RFC connection process and depending on SAP system requirements relating to the ae support of external gateway registration on the SAP system there may be a need to update the SAP gateway access into the system to enable specific server connectivity to the SAP system.

**This can be maintained by BASIS team using transaction SMGW.**


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