How To Fix SABP_UNIT_CHECKMAN505 - RFC destination is currently not reachable; message was &2

SAP Error Message - Details

• Message type: E = Error

• Message class: SABP_UNIT_CHECKMAN - Error Texts for Adapter ABAP Unit to CheckMan

• Message number: 505

• Message text: RFC destination is currently not reachable; message was &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 SABP_UNIT_CHECKMAN505 - RFC destination is currently not reachable; message was &2 ?

  The SAP error message "SABP_UNIT_CHECKMAN505 RFC destination is currently not reachable; message was &2" indicates that there is an issue with the Remote Function Call (RFC) destination that your SAP system is trying to connect to. This error typically arises when the system cannot establish a connection to the specified RFC destination, which could be due to various reasons.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the target system.
  RFC Destination Configuration: The RFC destination may not be configured correctly in the SAP system (transaction SM59).
  Target System Down: The target system that the RFC destination points to may be down or not running.
  Firewall Issues: Firewalls or security settings may be blocking the connection to the target system.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations.
  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 server.
  Ensure that there are no network outages or issues.
  
  
  
  Verify RFC Destination Configuration:
  
  Go to transaction SM59 and check the configuration of the RFC destination.
  Ensure that the connection type, target host, and system number are correctly set.
  Test the connection using the "Connection Test" option in SM59.
  
  
  
  Check Target System Status:
  
  Ensure that the target SAP system is up and running.
  Check if the relevant services are active.
  
  
  
  Review Firewall Settings:
  
  Ensure that any firewalls between the SAP systems allow traffic on the required ports for RFC communication.
  
  
  
  Check User Authorizations:
  
  Verify that the user credentials used for the RFC connection have the necessary authorizations to access the target system.
  
  
  
  Check SAP Gateway:
  
  Ensure that the SAP Gateway service is running on both the source and target systems.
  Check the gateway logs for any errors.
  
  
  
  Review Logs:
  
  Check the system logs (transaction SM21) and the developer traces (transaction ST22) for any additional error messages that might provide more context.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: RFC Destinations
  SM21: System Log
  ST22: Dump Analysis
  SICF: HTTP Service Hierarchy (for web services)
  
  
  
  Documentation: Refer to SAP Help documentation for more details on configuring RFC destinations and troubleshooting connectivity issues.
  
  
  By following these steps, you should be able to identify and resolve the issue causing the RFC destination to be unreachable. If the problem persists, consider reaching out to your SAP Basis team or SAP support for further assistance.