How To Fix FITP021 - System error in connection to target computer (destination &)

SAP Error Message - Details

• Message type: E = Error

• Message class: FITP -

• Message number: 021

• Message text: System error in connection to target computer (destination &)

What causes this issue?

System error in connection to target computer

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Inform your system administrator

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FITP021 - System error in connection to target computer (destination &) ?

  The SAP error message FITP021 indicates a system error in the connection to a target computer (destination). This error typically arises when there are issues with the communication between the SAP system and the target system, which could be another SAP system, a database, or an external application.
  Causes of FITP021 Error
  
  
  Network Issues: Problems with the network connection, such as firewalls blocking the connection, network outages, or incorrect network configurations.
  
  
  Configuration Errors: Incorrect settings in the SAP system configuration, such as incorrect RFC destination settings or missing parameters.
  
  
  Target System Unavailability: The target system may be down or not reachable due to maintenance or other issues.
  
  
  Authorization Issues: The user may not have the necessary authorizations to connect to the target system.
  
  
  SAP Kernel or Software Bugs: There may be bugs in the SAP kernel or other software components that are causing the connection to fail.
  
  
  Solutions to FITP021 Error
  
  
  Check Network Connectivity:
  
  Ensure that the network connection between the SAP system and the target system is stable.
  Use tools like ping or traceroute to check connectivity.
  
  
  
  Verify RFC Destination:
  
  Go to transaction SM59 in the SAP GUI and check the configuration of the RFC destination.
  Ensure that the target system's hostname, port, and other parameters are correctly configured.
  
  
  
  Check Target System Status:
  
  Verify that the target system is up and running.
  If it is an SAP system, check the system logs for any errors.
  
  
  
  Review Authorizations:
  
  Ensure that the user has the necessary authorizations to connect to the target system.
  Check user roles and profiles in transaction SU01.
  
  
  
  Check SAP Notes:
  
  Look for any relevant SAP Notes that may address known issues with the error message FITP021.
  Apply any recommended patches or updates.
  
  
  
  Review Logs:
  
  Check the system logs (transaction SM21) and developer traces (transaction ST22) for any additional error messages that may provide more context.
  
  
  
  Restart Services:
  
  If applicable, restart the SAP services or the target system to resolve temporary issues.
  
  
  
  Contact Support:
  
  If the issue persists, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information
  
  
  Transaction Codes:
  
  SM59: RFC Destinations
  SM21: System Log
  ST22: Dump Analysis
  SU01: User Maintenance
  
  
  
  SAP Notes: Always check the SAP Support Portal for the latest notes related to your specific version of SAP and the error message.
  
  
  Documentation: Review the official SAP documentation for more details on configuring RFC connections and troubleshooting connectivity issues.
  
  
  By following these steps, you should be able to diagnose and resolve the FITP021 error effectively.