For details of how to configure ERP-Scale to communicate with the RFC destination see
here.

RFC Destination nameEnter the name for the RFC destination. |

Connection TypeThe connection type must be T TCP/IP. |

RFC destination descriptionEnter a description of the RFC destination. |

Activation TypeThe activation type must be Registered Server Program. |

Registered Server ProgramEnter the registered server program ID here. Each installation of ERP-Scale must have a unique program ID. |

Gateway HostCheck with your Basis team for the correct setting. |

Gateway serviceCheck with your Basis team for the correct setting. |
Important:
The Program ID must be unique
A separate RFC destination must be created for every PC where ERP-Scale is installed.
This
diagram explains the relationship between the settings in SM59, HUPAST_C and ERP-Scale.
Note:
Security settings in SAP might prevent external RFC connections to the SAP host. See
here for further information.