How To Fix GS855 - RFC connection & is invalid or does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: GS - Sets

• Message number: 855

• Message text: RFC connection & is invalid or does not exist

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message GS855 - RFC connection & is invalid or does not exist ?

  The SAP error message GS855 indicates that there is an issue with an RFC (Remote Function Call) connection. This error typically means that the specified RFC destination is either invalid or does not exist in the SAP system. Here are the potential causes, solutions, and related information for this error:
  Causes:
  
  Invalid RFC Destination: The RFC destination you are trying to use may not be defined in the SAP system.
  Connection Issues: There may be network issues preventing the connection to the target system.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations.
  Configuration Errors: The configuration settings for the RFC destination may be incorrect (e.g., wrong hostname, port, or system ID).
  System Down: The target SAP system may be down or not reachable.
  
  Solutions:
  
  
  Check RFC Destination:
  
  Go to transaction SM59 in the SAP GUI.
  Verify that the RFC destination you are trying to use exists and is correctly configured.
  Test the connection