How To Fix COM_CFG_DB104 - FTP connection to &: Unable to close connection

SAP Error Message - Details

• Message type: E = Error

• Message class: COM_CFG_DB - Database Layer: Configuration

• Message number: 104

• Message text: FTP connection to &: Unable to close connection

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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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

• What is the cause and solution for SAP error message COM_CFG_DB104 - FTP connection to &: Unable to close connection ?

  The SAP error message COM_CFG_DB104 indicates that there is an issue with closing an FTP connection. This error can occur in various scenarios, typically when the system is trying to terminate an FTP session but encounters a problem. Here are some potential causes, solutions, and related information for this error:
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the FTP server, causing the connection to hang or fail to close properly.
  FTP Server Configuration: The FTP server may have configuration issues, such as timeouts or restrictions that prevent the connection from being closed.
  Firewall Settings: Firewalls or security settings may be blocking the necessary ports or protocols required for FTP communication.
  SAP Configuration: Incorrect configuration settings in the SAP system for the FTP connection can lead to issues in closing the connection.
  Resource Limitations: The FTP server may be experiencing resource limitations, such as too many open connections or insufficient memory.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there is stable network connectivity between the SAP system and the FTP server. You can use tools like ping or traceroute to diagnose network issues.
  Review FTP Server Logs: Check the logs on the FTP server for any errors or warnings that might indicate why the connection cannot be closed.
  Adjust Firewall Settings: Verify that the firewall settings allow FTP traffic and that the necessary ports (usually port 21 for FTP) are open.
  Review SAP FTP Configuration: Double-check the configuration settings in SAP for the FTP connection. Ensure that the parameters are set correctly, including the hostname, port, and credentials.
  Increase Resource Limits: If the FTP server is under heavy load, consider increasing the limits for concurrent connections or optimizing server resources.
  Timeout Settings: Adjust timeout settings on both the SAP system and the FTP server to ensure that connections are not prematurely terminated.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to FTP connections. SAP frequently updates its knowledge base with solutions to common problems.
  Documentation: Refer to the SAP documentation for configuring FTP connections, which may provide insights into best practices and troubleshooting steps.
  Support: If the issue persists, consider reaching out to SAP support for assistance, providing them with detailed logs and error messages to facilitate troubleshooting.
  
  By following these steps, you should be able to identify and resolve the issue causing the COM_CFG_DB104 error in your SAP system.