How To Fix CRM_MKT_EXTERNAL090 - Error in connection test to RFC connection &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CRM_MKT_EXTERNAL - CRM MKT: Messages for Interface to External Products

• Message number: 090

• Message text: Error in connection test to RFC connection &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CRM_MKT_EXTERNAL090 - Error in connection test to RFC connection &1 ?

  The SAP error message CRM_MKT_EXTERNAL090 indicates that there is an issue with the connection test to a Remote Function Call (RFC) connection in the SAP system. This error typically arises in scenarios where the system is trying to connect to an external system or service, such as when integrating with other SAP systems or third-party applications.
  Causes:
  
  RFC Destination Configuration: The RFC destination may not be configured correctly. This includes incorrect parameters such as the target system's hostname, system number, client, user credentials, etc.
  Network Issues: There may be network connectivity issues between the SAP system and the target system. This could be due to firewalls, routing issues, or the target system being down.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to connect to the target system.
  SAP Gateway Issues: The SAP Gateway service may not be running or may be misconfigured, preventing the connection from being established.
  Incorrect SAP Notes: Sometimes, specific SAP Notes need to be applied to resolve known issues related to RFC connections.
  
  Solutions:
  
  
  Check RFC Destination:
  
  Go to transaction SM59 in the SAP GUI.
  Locate the RFC destination that is causing the issue.
  Verify the configuration settings, including the target host, system number, client, and user credentials.
  Test the connection using the "Connection Test" button in the SM59 transaction.
  
  
  
  Network Connectivity:
  
  Ensure that the target system is reachable from the SAP system. You can use tools like ping or telnet to check connectivity.
  Check for any firewall rules that might be blocking the connection.
  
  
  
  User Authorizations:
  
  Verify that the user credentials used in the RFC destination have the necessary authorizations to access the target system.
  Check the user’s roles and profiles in the target system.
  
  
  
  SAP Gateway:
  
  Ensure that the SAP Gateway service is running. You can check this in transaction SMGW.
  Look for any errors in the gateway logs that might indicate issues.
  
  
  
  Review SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that might address known issues with RFC connections.
  Apply any necessary patches or updates as recommended.
  
  
  
  Check Logs:
  
  Review the system logs (transaction SM21) and the developer traces (transaction ST22) for any additional error messages that might provide more context about the issue.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  SM59: RFC Destinations
  SMGW: SAP Gateway Monitor
  SM21: System Log
  ST22: Dump Analysis
  
  
  Documentation: Refer to SAP Help documentation for detailed information on configuring RFC connections and troubleshooting connectivity issues.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to diagnose and resolve the CRM_MKT_EXTERNAL090 error effectively.