/ISDFPS/SYNC020 - Could not connect to FTP host &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /ISDFPS/SYNC -

• Message number: 020

• Message text: Could not connect to FTP host &1

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

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.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

AnswerBot

• What is the cause and solution for SAP error message /ISDFPS/SYNC020 - Could not connect to FTP host &1 ?

  The SAP error message /ISDFPS/SYNC020 Could not connect to FTP host &1 indicates that the system is unable to establish a connection to the specified FTP host. This can occur due to various reasons. Below are some common causes, potential solutions, and related information:
  Causes:
  
  Incorrect FTP Hostname or IP Address: The hostname or IP address specified in the configuration may be incorrect.
  Network Issues: There may be network connectivity issues preventing the SAP system from reaching the FTP server.
  Firewall Restrictions: A firewall may be blocking the connection to the FTP server.
  FTP Server Down: The FTP server may be down or not responding.
  Authentication Issues: Incorrect username or password for the FTP server.
  FTP Configuration: The FTP server may not be configured to accept connections from the SAP system.
  
  Solutions:
  
  Verify FTP Hostname/IP: Check the configuration in SAP to ensure that the FTP hostname or IP address is correct.
  Test Network Connectivity: Use tools like ping or telnet to test connectivity to the FTP server from the SAP application server.
  
  Example: ping <FTP_Hostname> or telnet <FTP_Hostname> <FTP_Port>
  
  
  Check Firewall Settings: Ensure that the firewall settings on both the SAP server and the FTP server allow traffic on the FTP port (usually port 21 for FTP).
  Check FTP Server Status: Verify that the FTP server is up and running. You can try connecting to it using an FTP client.
  Validate Credentials: Ensure that the username and password used for the FTP connection are correct.
  Review FTP Server Configuration: Check the FTP server settings to ensure it is configured to accept connections from the SAP system's IP address.
  Use Passive Mode: If the FTP server requires passive mode, ensure that this is configured in the SAP settings.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to FTP connections.
  Logs: Review the application logs in SAP for more detailed error messages that may provide additional context.
  Documentation: Refer to the SAP documentation for the specific module you are working with for any additional configuration steps related to FTP connections.
  
  If the issue persists after trying the above solutions, consider reaching out to your network administrator or SAP support for further assistance.