How To Fix CRM_ICM_OOS001 - RFC connection to DFPS system not available

SAP Error Message - Details

• Message type: E = Error

• Message class: CRM_ICM_OOS - ICM: Message Class - Operation Organizational Structure

• Message number: 001

• Message text: RFC connection to DFPS system not available

What causes this issue?

ICM tried to connect to the DFPS (<ZK>Defense Forces & Public
Security</>) system. This failed because the RFC destination is missing.

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?

Set up the DFPS Integration as described in the Customizing
documentation <DS:SIMG.ICM_DFPS_INTEGRATION>Setting Up DFPS Integration
</>.

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 CRM_ICM_OOS001 - RFC connection to DFPS system not available ?

  The SAP error message "CRM_ICM_OOS001 RFC connection to DFPS system not available" typically indicates that there is an issue with the Remote Function Call (RFC) connection between the SAP CRM system and the DFPS (Defense Finance and Accounting Service) system. This error can arise due to various reasons, including network issues, configuration problems, or system downtime.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP CRM system and the DFPS system.
  RFC Destination Configuration: The RFC destination for the DFPS system may not be configured correctly in the SAP system.
  System Downtime: The DFPS system may be down for maintenance or experiencing issues.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations.
  Firewall Restrictions: Firewalls or security settings may be blocking the connection between the two systems.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Use tools like ping or traceroute to verify that the SAP CRM system can reach the DFPS system.
  Ensure that there are no network outages or issues.
  
  
  
  Verify RFC Destination:
  
  Go to transaction SM59 in the SAP GUI.
  Check the configuration of the RFC destination for the DFPS system. Ensure that the connection type, target host, and system number are correct.
  Test the connection from SM59 to see if it is successful.
  
  
  
  Check System Status:
  
  Verify if the DFPS system is up and running. If it is down, you may need to wait until it is back online or contact the system administrator.
  
  
  
  Review Authorizations:
  
  Ensure that the user credentials used for the RFC connection have the necessary authorizations to access the DFPS system.
  
  
  
  Firewall and Security Settings:
  
  Check if there are any firewall rules or security settings that might be blocking the connection. Work with your network/security team to ensure that the necessary ports are open.
  
  
  
  SAP Notes and Support:
  
  Check for any relevant SAP Notes that might address this specific error. Sometimes, there are known issues or patches that can resolve connectivity problems.
  
  
  
  Consult Logs:
  
  Review the system logs (transaction SM21) and the RFC trace (transaction SM58) for any additional error messages or details that could provide more context about the issue.
  
  
  
  Related Information:
  
  RFC Connections: Understanding how RFC connections work in SAP is crucial. RFC is a communication interface that allows different SAP systems to communicate with each other.
  SAP Basis Team: If you are unable to resolve the issue, it may be necessary to involve your SAP Basis team, as they have the expertise to troubleshoot and resolve connectivity issues.
  Documentation: Refer to SAP documentation for detailed information on configuring and troubleshooting RFC connections.
  
  By following these steps, you should be able to identify and resolve the issue causing the "CRM_ICM_OOS001 RFC connection to DFPS system not available" error.