How To Fix /ISDFPS/ICM_OF001 - Error in RFC connection to &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /ISDFPS/ICM_OF -

• Message number: 001

• Message text: Error in RFC connection to &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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /ISDFPS/ICM_OF001 - Error in RFC connection to &1 ?

  The SAP error message /ISDFPS/ICM_OF001 Error in RFC connection to &1 typically indicates that there is an issue with the Remote Function Call (RFC) connection to a specified system or server. This error can arise due to various reasons, and understanding the cause is essential for troubleshooting.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the target system.
  Incorrect RFC Destination: The RFC destination configuration might be incorrect, including wrong hostnames, IP addresses, or ports.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations.
  Service Not Running: The target system or service may not be running or may be down for maintenance.
  Firewall Restrictions: Firewalls may be blocking the required ports for the RFC connection.
  SAP Gateway Issues: The SAP Gateway service may not be running or may be misconfigured.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Use tools like ping or telnet to verify that the target system is reachable from the SAP system.
  Ensure that there are no network outages or issues.
  
  
  
  Verify RFC Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI.
  Check the configuration of the RFC destination (e.g., TCP/IP settings, target host, and service).
  Test the connection using the "Test Connection" button in the RFC destination settings.
  
  
  
  Check User Authorizations:
  
  Ensure that the user credentials used for the RFC connection have the necessary authorizations to access the target system.
  You can check user roles and authorizations in transaction SU01.
  
  
  
  Check Target System Status:
  
  Ensure that the target system is up and running.
  If it is a different SAP system, check if the relevant services (like the SAP Gateway) are active.
  
  
  
  Firewall Configuration:
  
  Verify that the firewall settings allow traffic on the required ports for RFC communication.
  Consult with your network/security team if necessary.
  
  
  
  Review SAP Gateway Configuration:
  
  Check the SAP Gateway settings in transaction SMGW to ensure it is running correctly.
  Look for any error messages or logs that might indicate issues.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: Manage RFC Destinations
  SMGW: SAP Gateway Monitor
  SU01: User Maintenance
  ST22: Dump Analysis (to check for any ABAP runtime errors)
  SM21: System Log (to check for system-related issues)
  
  
  
  Logs and Traces:
  
  Check the system logs and traces for any additional error messages that might provide more context about the issue.
  
  
  
  SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that might address specific issues related to RFC connections.
  
  
  
  By following these steps, you should be able to identify and resolve the cause of the /ISDFPS/ICM_OF001 Error in RFC connection to &1 error message. If the issue persists, consider reaching out to SAP support for further assistance.