> For the complete documentation index, see [llms.txt](https://docs.theconfigteam.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.theconfigteam.com/codingcontrol/configuration/core-application-configuration/server-application-configuration/rfc-connectivity.md).

# 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="https://2225346189-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FvPS6W3uRgFnSjekeJfYT%2Fuploads%2FPXNyPEXs7vp45FXxfFaC%2Fimage.png?alt=media&amp;token=9db30a3f-fe42-4f8c-baaa-bbcb2f6b91ff" 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.**