How To Fix FCC1620 - Cannot establish connection (&1): &2

SAP Error Message - Details

• Message type: E = Error

• Message class: FCC1 - Messages in Financial Closing Cockpit

• Message number: 620

• Message text: Cannot establish connection (&1): &2

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 FCC1620 - Cannot establish connection (&1): &2 ?

  The SAP error message FCC1620, which states "Cannot establish connection (&1): &2," typically indicates that there is an issue with establishing a connection to a specified system or service. The placeholders (&1) and (&2) usually represent the connection type (e.g., a database, application server, etc.) and the specific error message or reason for the failure, respectively.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the target system.
  Configuration Errors: Incorrect configuration settings in the SAP system or the target system can prevent a successful connection.
  Service Availability: The target service or system may be down or not running.
  Firewall Restrictions: Firewalls or security settings may be blocking the connection.
  Authentication Issues: Incorrect credentials or authentication methods may lead to connection failures.
  Timeouts: The connection attempt may be timing out due to slow network response or server load.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the network connection between the SAP system and the target system is active. You can use tools like ping or traceroute to diagnose network issues.
  Review Configuration Settings: Verify the connection parameters in the SAP system (e.g., RFC destination settings, database connection settings) to ensure they are correct.
  Check Service Status: Ensure that the target service or system is up and running. If it is down, restart the service or contact the system administrator.
  Firewall and Security Settings: Review firewall rules and security settings to ensure that they allow traffic between the SAP system and the target system.
  Validate Credentials: Check the credentials being used for the connection. Ensure they are correct and have the necessary permissions.
  Increase Timeout Settings: If timeouts are an issue, consider increasing the timeout settings in the connection configuration.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Logs and Traces: Review system logs and traces for more detailed error messages that can provide additional context for the connection failure.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  If the problem persists after trying the above solutions, it may be beneficial to involve your SAP Basis team or technical support for further investigation.