How To Fix SY560 - IP address missing: Port &1, function module &2, no SNC

SAP Error Message - Details

• Message type: E = Error

• Message class: SY - ABAP/4 system messages

• Message number: 560

• Message text: IP address missing: Port &1, function module &2, no SNC

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SY560 - IP address missing: Port &1, function module &2, no SNC ?

  The SAP error message "SY560 IP address missing: Port &1, function module &2, no SNC" typically indicates that there is an issue with the configuration of the Secure Network Communications (SNC) settings in your SAP system. This error can occur when the system is trying to establish a connection but cannot find the necessary IP address or port information.
  Cause:
  
  Missing or Incorrect Configuration: The error often arises when the SNC settings are not properly configured in the SAP system. This could include missing entries in the SAP profile or incorrect settings in the transaction codes related to SNC.
  Network Issues: There may be network connectivity issues that prevent the SAP system from resolving the IP address or connecting to the specified port.
  Function Module Issues: The function module mentioned in the error may not be correctly implemented or may have issues that prevent it from executing properly.
  SNC Library Issues: If the SNC library is not installed or configured correctly, it can lead to this error.
  
  Solution:
  
  
  Check SNC Configuration:
  
  Go to transaction RZ10 and check the instance profile for SNC parameters. Ensure that the parameters related to SNC are correctly set, such as snc/enable, snc/identity/as, and snc/partnername.
  Ensure that the SNC library is correctly installed and configured on the application server.
  
  
  
  Verify Network Settings:
  
  Check the network settings to ensure that the IP address and port are correctly configured and reachable. You can use tools like ping or telnet to test connectivity to the specified IP address and port.
  
  
  
  Review Function Module:
  
  Investigate the function module mentioned in the error message. Check if it is correctly implemented and if there are any known issues or updates available for it.
  
  
  
  Check SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error. There may be patches or updates that resolve known issues related to SNC.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation related to SNC configuration for your specific version of SAP. This can provide insights into proper setup and troubleshooting steps.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP Support for further assistance. Provide them with the error details and any relevant logs to help diagnose the issue.
  
  
  
  Related Information:
  
  SNC (Secure Network Communications): This is a security protocol that provides encryption and secure communication between SAP systems and clients.
  Transaction Codes: Familiarize yourself with transaction codes like RZ10 (Profile Maintenance), RZ11 (Profile Parameter Maintenance), and SNC1 (SNC Configuration) for managing SNC settings.
  SAP Community: Engage with the SAP Community forums for discussions and solutions related to similar issues faced by other users.
  
  By following these steps, you should be able to identify and resolve the cause of the "SY560 IP address missing" error in your SAP system.