How To Fix RSSDK016 - RFC Destination & is not functional

SAP Error Message - Details

• Message type: E = Error

• Message class: RSSDK -

• Message number: 016

• Message text: RFC Destination & is not functional

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 RSSDK016 - RFC Destination & is not functional ?

  The SAP error message RSSDK016 indicates that a specified RFC (Remote Function Call) destination is not functional. This can occur for various reasons, and understanding the cause and finding a solution involves several steps. Here’s a breakdown of the potential causes, solutions, and related information:
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the target system defined in the RFC destination.
  Configuration Errors: The RFC destination may not be configured correctly in the SAP system. This includes incorrect parameters such as the target host, system number, client, user credentials, etc.
  Authorization Issues: The user credentials used in the RFC destination may not have the necessary authorizations to connect to the target system.
  Target System Down: The target SAP system may be down or not reachable due to maintenance or other issues.
  Firewall Restrictions: Firewalls or security settings may be blocking the connection to the target system.
  SAP Gateway Issues: The SAP Gateway service may not be running or may be misconfigured.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Use tools like ping or telnet to check if the target system is reachable from the SAP system.
  Ensure that there are no network issues or outages.
  
  
  
  Verify RFC Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI.
  Locate the RFC destination that is causing the issue and check its configuration.
  Ensure that the target host, system number, client, and user credentials are correct.
  
  
  
  Test the RFC Connection:
  
  In transaction SM59, select the RFC destination and use the "Connection Test" option to verify if the connection can be established successfully.
  
  
  
  Check User Authorizations:
  
  Ensure that the user specified in the RFC destination has the necessary authorizations to access the target system.
  You may need to check roles and profiles assigned to the user.
  
  
  
  Check Target System Status:
  
  Verify if the target SAP system is up and running. If it is down, coordinate with the system administrators to resolve the issue.
  
  
  
  Review Firewall Settings:
  
  Check if there are any firewall rules that might be blocking the connection to the target system. Work with your network/security team to ensure that the necessary ports are open.
  
  
  
  Check SAP Gateway:
  
  Ensure that the SAP Gateway service is running on both the source and target systems. You can check this using transaction SMGW.
  
  
  
  Review Logs:
  
  Check 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: Manage RFC Destinations
  SM21: System Log
  ST22: Dump Analysis
  SMGW: Gateway Monitor
  
  
  
  Documentation: Refer to SAP Help documentation for detailed information on configuring RFC destinations and troubleshooting connectivity issues.
  
  
  By following these steps, you should be able to identify the cause of the RSSDK016 error and implement the appropriate solution. If the issue persists, consider reaching out to SAP support for further assistance.