How To Fix TN059 - RFC communication error &1 &2 &3 &4

SAP Error Message - Details

• Message type: E = Error

• Message class: TN - Support Package Manager (SPAM) Messages

• Message number: 059

• Message text: RFC communication error &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 TN059 - RFC communication error &1 &2 &3 &4 ?

  The SAP error message TN059 indicates an RFC (Remote Function Call) communication error. This error can occur for various reasons, and the parameters &1, &2, &3, and &4 typically provide additional context about the nature of the error. Here’s a breakdown of potential causes, solutions, and related information:
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP systems involved in the RFC call.
  Configuration Errors: Incorrect configuration of the RFC destination in the SAP system can lead to communication errors.
  Authorization Issues: The user or service account used for the RFC call may not have the necessary authorizations.
  System Availability: The target system may be down or not reachable due to maintenance or other issues.
  Firewall Restrictions: Firewalls or security settings may be blocking the communication between the systems.
  SAP Gateway Issues: Problems with the SAP Gateway service can also lead to RFC communication errors.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Use tools like ping or traceroute to verify that the systems can communicate over the network.
  Ensure that there are no network outages or issues.
  
  
  
  Verify RFC Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI and check the configuration of the RFC destination.
  Ensure that the connection type, target host, and system number are correctly configured.
  
  
  
  Check User Authorizations:
  
  Ensure that the user or service account used for the RFC call has the necessary authorizations to perform the requested operation.
  
  
  
  System Availability:
  
  Check if the target system is up and running. You can do this by logging into the target system or checking system status.
  
  
  
  Firewall and Security Settings:
  
  Ensure that firewalls are configured to allow traffic on the required ports for RFC communication (typically port 3200 for SAP).
  
  
  
  SAP Gateway Configuration:
  
  Check the SAP Gateway settings and ensure that the gateway service is running properly. You can check this in transaction SMGW.
  
  
  
  Review SAP Notes:
  
  Search for relevant SAP Notes that may address specific issues related to the TN059 error. SAP Notes often provide patches or workarounds for known issues.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: To manage RFC destinations.
  SMGW: To monitor the SAP Gateway.
  ST22: To check for dumps that may provide more context on the error.
  SICF: To check the HTTP services if the RFC is related to web services.
  
  
  
  Logs:
  
  Check the system logs (SM21) for any related error messages that might provide additional context.
  
  
  
  Documentation:
  
  Refer to SAP Help documentation for more details on RFC communication and troubleshooting.
  
  
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.