How To Fix ICL_PMI020 - Connection to the partner system could not be made

SAP Error Message - Details

• Message type: E = Error

• Message class: ICL_PMI - FS-CM / FS-PM Interface

• Message number: 020

• Message text: Connection to the partner system could not be made

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ICL_PMI020 - Connection to the partner system could not be made ?

  The SAP error message ICL_PMI020 indicates that there is a problem with establishing a connection to a partner system. This error typically occurs in the context of SAP's Integration with external systems, such as when using the SAP Convergent Charging (SAP CC) or SAP Convergent Invoicing (SAP CI) modules.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the partner system.
  Incorrect Configuration: The connection parameters (like hostname, port, or protocol) may be incorrectly configured in the SAP system.
  Firewall Restrictions: Firewalls or security settings may be blocking the connection to the partner system.
  Partner System Down: The partner system may be down or not reachable due to maintenance or other issues.
  Authentication Issues: There may be issues with the credentials or authentication methods used to connect to the partner system.
  Protocol Mismatch: The communication protocol (e.g., HTTP, HTTPS, RFC) may not be supported or configured correctly on either side.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Use tools like ping or traceroute to verify that the SAP system can reach the partner system.
  Ensure that there are no network outages or issues.
  
  
  
  Verify Configuration:
  
  Check the connection settings in the SAP system (transaction codes like SOAMANAGER for web services or SM59 for RFC connections).
  Ensure that the hostname, port, and protocol are correctly specified.
  
  
  
  Review Firewall Settings:
  
  Ensure that the necessary ports are open on both the SAP and partner system firewalls.
  Consult with your network/security team to verify that there are no restrictions.
  
  
  
  Check Partner System Status:
  
  Verify that the partner system is up and running.
  Check for any scheduled maintenance or downtime.
  
  
  
  Validate Authentication:
  
  Ensure that the credentials used for the connection are correct and have the necessary permissions.
  If using certificates, ensure they are valid and properly configured.
  
  
  
  Protocol Configuration:
  
  Ensure that both systems are configured to use the same communication protocol.
  If using web services, check the WSDL and ensure it is correctly set up.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  SM59 for RFC connections.
  SOAMANAGER for web service configurations.
  
  
  Logs and Traces: 
  
  Check the application logs (transaction SLG1) for more detailed error messages.
  Use transaction ST22 to check for dumps that may provide additional context.
  
  
  SAP Notes: 
  
  Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to this error message.
  
  
  
  If the issue persists after checking the above points, it may be beneficial to engage with your SAP Basis team or SAP support for further assistance.