How To Fix ECATT290 - Error when establishing the RFC connection &1

SAP Error Message - Details

• Message type: E = Error

• Message class: ECATT - eCATT Messages (Middleware and GUI)

• Message number: 290

• Message text: Error when establishing the RFC connection &1

What causes this issue?

An error occured when establishing an RFC destination with your target
system.

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?

Make sure that you do not use an SAPCPIC user because a dialog is to be
sent.
Check your RFC destination.

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 ECATT290 - Error when establishing the RFC connection &1 ?

  The SAP error message ECATT290 indicates that there is an issue when trying to establish a Remote Function Call (RFC) connection in the context of eCATT (extended Computer Aided Test Tool). This error can occur for various reasons, and here are some common causes, solutions, and related information:
  Causes:
  
  Incorrect RFC Destination: The RFC destination specified may not be correctly configured or may not exist.
  Network Issues: There may be network connectivity issues between the systems involved.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations.
  SAP System Down: The target SAP system may be down or not reachable.
  Configuration Errors: There may be configuration errors in the SAP system or in the eCATT settings.
  Firewall Restrictions: Firewalls may be blocking the connection between the systems.
  
  Solutions:
  
  
  Check RFC Destination:
  
  Go to transaction SM59 and verify the configuration of the RFC destination. Ensure that the connection type is correct and that the target system is reachable.
  Test the connection from SM59 to ensure it is working.
  
  
  
  Network Connectivity:
  
  Check network connectivity between the systems. You can use tools like ping or telnet to verify that the target system is reachable.
  
  
  
  User Authorizations:
  
  Ensure that the user credentials used for the RFC connection have the necessary authorizations to perform the required actions.
  
  
  
  Check Target System Status:
  
  Verify that the target SAP system is up and running. You can check the system status in transaction SM51 or by contacting your system administrator.
  
  
  
  Review eCATT Configuration:
  
  Ensure that the eCATT script is correctly configured and that all parameters are set properly.
  
  
  
  Firewall Settings:
  
  Check if there are any firewall rules that might be blocking the RFC connection. Work with your network team to ensure that the necessary ports are open.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: RFC Destinations
  ST22: Dump Analysis (to check for any ABAP runtime errors)
  SM21: System Log (to check for any system-related issues)
  
  
  
  Documentation: Refer to SAP Help documentation for eCATT and RFC connections for more detailed troubleshooting steps.
  
  
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to the ECATT290 error.
  
  
  By following these steps, you should be able to identify and resolve the issue causing the ECATT290 error when establishing the RFC connection. If the problem persists, consider reaching out to SAP support for further assistance.