How To Fix SLIC210 - Error & in RFC communication

SAP Error Message - Details

• Message type: E = Error

• Message class: SLIC - saplicense Messages

• Message number: 210

• Message text: 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.

What else can you do?

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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message SLIC210 - Error & in RFC communication ?

  The SAP error message SLIC210 typically indicates an issue with Remote Function Call (RFC) communication between SAP systems. This error can arise due to various reasons, including network issues, configuration problems, or authorization issues. Below are some common causes, potential solutions, and related information for addressing this error.
  Causes of SLIC210 Error
  
  Network Issues: Problems with the network connection between the SAP systems can lead to RFC communication failures.
  Configuration Errors: Incorrect settings in the RFC destination (SM59) can cause communication issues.
  Authorization Problems: The user credentials used for the RFC connection may not have the necessary authorizations.
  System Availability: The target system may be down or not reachable.
  Firewall Restrictions: Firewalls may block the required ports for RFC communication.
  SAP Kernel Issues: Incompatibilities or bugs in the SAP kernel version can also lead to RFC errors.
  
  Solutions
  
  
  Check Network Connectivity:
  
  Ensure that both systems can communicate over the network. You can use tools like ping or traceroute to check connectivity.
  
  
  
  Verify RFC Destination Configuration:
  
  Go to transaction code SM59 and check the configuration of the RFC destination.
  Ensure that the connection type is correct (e.g., TCP/IP).
  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 perform the required actions.
  You can check user roles and authorizations in transaction code SU01.
  
  
  
  System Availability:
  
  Verify that the target SAP system is up and running. Check the system logs for any issues.
  
  
  
  Firewall Settings:
  
  Ensure that the firewall settings allow traffic on the required ports for RFC communication (typically port 3200 for SAP).
  
  
  
  Review SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address known issues related to the SLIC210 error.
  
  
  
  Kernel and Patch Level:
  
  Ensure that both systems are running compatible versions of the SAP kernel. Consider applying the latest patches if necessary.
  
  
  
  Check Logs:
  
  Review the system logs (transaction SM21) and the developer traces (transaction ST22) for any additional error messages that may provide more context.
  
  
  
  Related Information
  
  
  Transaction Codes:
  
  SM59: RFC Destinations
  SU01: User Maintenance
  SM21: System Log
  ST22: Dump Analysis
  
  
  
  SAP Notes: Always check the SAP Support Portal for the latest notes related to RFC communication issues and the specific error message.
  
  
  Documentation: Refer to the official SAP documentation for detailed information on configuring RFC connections and troubleshooting communication issues.
  
  
  By following these steps, you should be able to diagnose and resolve the SLIC210 error in RFC communication. If the issue persists, consider reaching out to SAP support for further assistance.