How To Fix ESH_EX016 - RFC ping: RFC communication failure during back connection from hub

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_EX - Extraction

• Message number: 016

• Message text: RFC ping: RFC communication failure during back connection from hub

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 ESH_EX016 - RFC ping: RFC communication failure during back connection from hub ?

  The SAP error message ESH_EX016 indicates an issue with RFC (Remote Function Call) communication, specifically during a back connection from a hub system. This error typically arises in scenarios involving SAP Enterprise Search or when using a distributed architecture where multiple systems communicate with each other.
  
  Cause:
  The error can be caused by several factors, including:
  
  Network Issues: There may be network connectivity problems between the hub and the backend system.
  RFC Destination Configuration: The RFC destination may not be correctly configured or may be missing.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations.
  Firewall Restrictions: Firewalls or security settings may be blocking the RFC communication.
  System Configuration: Incorrect settings in the SAP system configuration related to the RFC connections.
  Service Availability: The service or function module being called may not be available or may be down.
  
  
  Solution:
  To resolve the ESH_EX016 error, you can follow these steps:
  
  
  Check Network Connectivity:
  
  Ensure that there