How To Fix ESH_EX012 - RFC system failure calling hub destination: &1&2&3&4

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_EX - Extraction

• Message number: 012

• Message text: RFC system failure calling hub destination: &1&2&3&4

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_EX012 - RFC system failure calling hub destination: &1&2&3&4 ?

  The SAP error message ESH_EX012 indicates an RFC (Remote Function Call) system failure when trying to call a hub destination. This error typically occurs in the context of SAP Enterprise Search or when using the SAP NetWeaver platform, where a system is trying to communicate with another system or service.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the hub destination.
  Configuration Errors: The RFC destination may not be configured correctly in the SAP system.
  Authorization Issues: The user or service account may not have the necessary authorizations to access the hub destination.
  Service Unavailability: The hub system may be down or not reachable due to maintenance or other issues.
  Incorrect Parameters: The parameters being passed to the RFC call may be incorrect or incomplete.
  System Load: High load on the system may lead to timeouts or failures in processing the RFC call.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Ensure that the network connection between the SAP system and the hub destination is stable and operational.
  Use tools like ping or traceroute to diagnose network issues.
  
  
  
  Verify RFC Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI and check the configuration of the RFC destination.
  Ensure that the destination is correctly defined and that the connection type is appropriate (e.g., TCP/IP).
  
  
  
  Test the RFC Connection:
  
  In transaction SM59, select the RFC destination and use the "Connection Test" option to verify that the connection can be established successfully.
  
  
  
  Check Authorizations:
  
  Ensure that the user or service account used for the RFC call has the necessary authorizations to access the hub destination.
  
  
  
  Review System Logs:
  
  Check the system logs (transaction SM21) and the application logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the failure.
  
  
  
  Monitor System Performance:
  
  Use transaction ST22 to check for dumps that may indicate performance issues or other errors.
  Monitor system performance to ensure that it is not overloaded.
  
  
  
  Contact Basis Team:
  
  If the issue persists, it may be necessary to involve the SAP Basis team to investigate further, especially if it involves system configuration or network issues.
  
  
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation for Enterprise Search and RFC connections for best practices and configuration guidelines.
  Community Forums: Consider searching or posting in SAP community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to diagnose and resolve the ESH_EX012 error effectively.