How To Fix TA364 - RFC error(&3): &1&2

SAP Error Message - Details

• Message type: E = Error

• Message class: TA - Extended table maintenance (eval., Customizing, client copy)

• Message number: 364

• Message text: RFC error(&3): &1&2

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 TA364 - RFC error(&3): &1&2 ?

  The SAP error message TA364, which indicates an RFC (Remote Function Call) error, typically arises when there is an issue with communication between SAP systems or between an SAP system and an external system. The error message format is usually as follows: "TA364 RFC error(&3): &1&2", where &1, &2, and &3 are placeholders for specific error details.
  Causes of TA364 RFC Error
  
  
  Network Issues: Problems with the network connection between the SAP systems can lead to RFC errors. This could be due to firewalls, routing issues, or network outages.
  
  
  Configuration Issues: Incorrect configuration of RFC destinations in transaction SM59 can cause this error. This includes incorrect settings for the target system, such as the wrong hostname, port, or logon credentials.
  
  
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to perform the requested operation.
  
  
  System Availability: The target system may be down or not reachable, which can happen during maintenance or due to unexpected outages.
  
  
  Version Compatibility: Incompatibility between different versions of SAP systems can also lead to RFC errors.
  
  
  Resource Limitations: The target system may be experiencing resource limitations, such as memory or CPU constraints, which can affect its ability to process RFC calls.
  
  
  Solutions to TA364 RFC 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 and check the configuration of the RFC destination.
  Ensure that the hostname, service (port), and logon credentials are correct.
  Test the connection using the "Connection Test" option in SM59.
  
  
  
  Check User Authorizations: Ensure that the user ID used for the RFC connection has the necessary authorizations to execute the required functions.
  
  
  System Status: Check the status of the target system to ensure it is up and running. You can do this by logging into the target system or checking system logs.
  
  
  Review System Logs: Check the system logs (transaction SM21) for any additional error messages that may provide more context about the RFC error.
  
  
  Consult SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to the TA364 error.
  
  
  Monitor System Resources: If resource limitations are suspected, monitor the performance of the target system to identify any bottlenecks.
  
  
  Related Information
  
  
  Transaction Codes:
  
  SM59: RFC Destinations
  SM21: System Log
  ST22: Dump Analysis
  SMLG: Logon Groups
  
  
  
  SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance, providing them with the error details and any relevant logs.
  
  
  By following these steps, you should be able to diagnose and resolve the TA364 RFC error in your SAP environment.