How To Fix TB010 - Error in RFC connection

SAP Error Message - Details

• Message type: E = Error

• Message class: TB - SM31 table maintenance messages

• Message number: 010

• Message text: Error in RFC connection

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 TB010 - Error in RFC connection ?

  The SAP error message TB010, which indicates "Error in RFC connection," typically arises when there is an issue with the Remote Function Call (RFC) connection between SAP systems or between an SAP system and an external system. This error can occur due to various reasons, and understanding the cause is essential for troubleshooting.
  Causes of TB010 Error
  
  
  Network Issues: Problems with the network connection between the systems can lead to RFC errors. This could be due to firewalls, routing issues, or network outages.
  
  
  Configuration Errors: Incorrect configuration of the RFC destination in the SAP system can cause this error. This includes wrong parameters such as the target system's IP address, system number, or client.
  
  
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to access the target system.
  
  
  System Availability: The target SAP system may be down or not reachable due to maintenance or other issues.
  
  
  SAP Kernel or Version Mismatch: Incompatibilities between different SAP versions or kernel versions can also lead to RFC connection errors.
  
  
  Timeout Settings: If the RFC call takes too long, it may exceed the timeout settings, resulting in an error.
  
  
  Solutions to TB010 Error
  
  
  Check Network Connectivity: Ensure that there is proper network connectivity between the systems. You can use tools like ping or traceroute to diagnose network issues.
  
  
  Verify RFC Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI.
  Check the configuration of the RFC destination (both the local and remote settings).
  Ensure that the connection type, target host, and system number are correctly configured.
  
  
  
  Test the RFC Connection: In transaction SM59, you can test the RFC connection to see if it is working. This will help identify if the issue is with the connection itself.
  
  
  Check User Authorizations: Ensure that the user ID used for the RFC connection has the necessary authorizations in both the source and target systems.
  
  
  Check System Status: Verify that the target system is up and running. You can check the system status in transaction SM51 or by logging into the target system.
  
  
  Review SAP Notes: Check for any relevant SAP Notes that might address known issues related to RFC connections.
  
  
  Adjust Timeout Settings: If the RFC call is timing out, consider increasing the timeout settings in the RFC destination configuration.
  
  
  Consult Logs: Review the system logs (transaction SM21) and the developer trace files (transaction ST22) for any additional error messages that might provide more context.
  
  
  Related Information
  
  
  Transaction Codes:
  
  SM59: RFC Destination Configuration
  SM21: System Log
  ST22: Dump Analysis
  SM51: List of SAP Servers
  
  
  
  SAP Notes: Always check the SAP Support Portal for any relevant notes or patches that may address specific issues related to RFC connections.
  
  
  Documentation: Refer to the official SAP documentation for detailed information on configuring and troubleshooting RFC connections.
  
  
  By following these steps, you should be able to identify and resolve the TB010 error in your SAP environment.