How To Fix CNV_CDOP_CC004 - No connection available to partner system

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_CDOP_CC - CDOP - Messages for the Control Center

• Message number: 004

• Message text: No connection available to partner system

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 CNV_CDOP_CC004 - No connection available to partner system ?

  The SAP error message CNV_CDOP_CC004 indicates that there is no available connection to the partner system. This error typically arises in the context of data migration or system integration scenarios, particularly when using the SAP Landscape Transformation (SLT) or other data transfer tools.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the partner system.
  Configuration Errors: The connection settings (such as RFC destination) may not be correctly configured in the SAP system.
  Partner System Down: The partner system may be down or not reachable due to maintenance or other issues.
  Authorization Issues: The user credentials used for the connection may not have the necessary authorizations.
  Firewall Restrictions: Firewalls or security settings may be blocking the connection to the partner system.
  Incorrect Partner System Details: The details (like hostname, port, etc.) of the partner system may be incorrect.
  
  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 RFC destination settings in transaction SM59. Ensure that the connection type, target host, and service are correctly configured.
  Test the connection from the SAP system to the partner system using the "Test Connection" option in SM59.
  
  
  
  Check Partner System Status:
  
  Ensure that the partner system is up and running. If it is down, coordinate with the relevant team to bring it back online.
  
  
  
  Review User Authorizations:
  
  Ensure that the user credentials used for the connection have the necessary authorizations to access the partner system.
  
  
  
  Firewall and Security Settings:
  
  Check if there are any firewall rules that might be blocking the connection. Work with your network/security team to ensure that the necessary ports are open.
  
  
  
  Correct Partner System Details:
  
  Double-check the configuration for any typos or incorrect entries in the partner system details.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SM59: For managing RFC destinations.
  SICF: To check the status of HTTP services.
  ST22: For analyzing dumps that may provide more context on the error.
  
  
  
  Logs and Traces:
  
  Check the application logs (transaction SLG1) for any additional error messages that may provide more context.
  Use transaction SM21 to review system logs for any related errors.
  
  
  
  SAP Notes: 
  
  Search the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  
  By following these steps, you should be able to identify and resolve the issue causing the CNV_CDOP_CC004 error. If the problem persists, consider reaching out to SAP support for further assistance.