How To Fix SLIC211 - System error & in RFC communication

SAP Error Message - Details

• Message type: E = Error

• Message class: SLIC - saplicense Messages

• Message number: 211

• Message text: System error & in RFC communication

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 SLIC211 - System error & in RFC communication ?

  The SAP error message SLIC211, which indicates a "System error in RFC communication," typically arises during Remote Function Call (RFC) operations. This error can occur due to various reasons, including network issues, configuration problems, or issues with the SAP system itself.
  Causes of SLIC211 Error
  
  Network Issues: Problems with the network connection between the SAP systems can lead to communication failures.
  Configuration Errors: Incorrect settings in the RFC destination or in the SAP system configuration can cause this error.
  System Performance: High load on the SAP system or resource constraints (like memory or CPU) can lead to timeouts or failures in processing RFC calls.
  Authorization Issues: The user or service account used for the RFC call may not have the necessary authorizations.
  Version Compatibility: Incompatibility between different SAP versions or components can also lead to communication errors.
  Transport Layer Issues: Problems in the transport layer, such as issues with the SAP kernel or patches, can cause RFC communication failures.
  
  Solutions to SLIC211 Error
  
  Check Network Connectivity: Ensure that there is a stable network connection between the systems involved in the RFC communication. Use tools like ping or traceroute to diagnose network issues.
  Review RFC Destination Configuration: 
  
  Go to transaction SM59 and check the configuration of the RFC destination.
  Ensure that the connection type is correct and that the target system is reachable.
  Test the connection from the RFC destination screen to see if it is working properly.
  
  
  Monitor System Performance: Use transaction SM50 or SM66 to monitor system performance and check for any resource bottlenecks.
  Check Authorizations: Verify that the user or service account used for the RFC call has the necessary authorizations to execute the required functions.
  Review System Logs: Check the system logs (transaction SM21) and the developer trace files (transaction ST11) for any additional error messages or clues related to the issue.
  Update SAP Components: Ensure that all relevant SAP components are up to date with the latest patches and support packages.
  Consult SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  
  Related Information
  
  Transaction Codes: 
  
  SM59 - RFC Destinations
  SM21 - System Log
  ST22 - Dump Analysis
  SM50 / SM66 - Process Overview
  ST11 - Developer Traces
  
  
  SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance, providing them with detailed logs and error messages.
  
  By following these steps, you should be able to diagnose and resolve the SLIC211 error in RFC communication.