How To Fix CRM_IC_AUI400 - RFC destination & for workflow backend system is not working

SAP Error Message - Details

• Message type: E = Error

• Message class: CRM_IC_AUI - Messages for Agent's Universal Inbox

• Message number: 400

• Message text: RFC destination & for workflow backend system is not working

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

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.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message CRM_IC_AUI400 - RFC destination & for workflow backend system is not working ?

  The SAP error message "CRM_IC_AUI400 RFC destination & for workflow backend system is not working" typically indicates an issue with the Remote Function Call (RFC) destination that is used to connect the CRM system with the backend system for workflow processing. This can occur in various scenarios, such as when trying to execute a workflow or when integrating different SAP systems.
  Causes:
  
  
  RFC Destination Configuration: The RFC destination may not be correctly configured in the SAP system. This includes incorrect connection parameters, such as the target system's IP address, system number, or client number.
  
  
  Network Issues: There may be network connectivity issues between the CRM system and the backend system. This could be due to firewall settings, network outages, or incorrect routing.
  
  
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to access the backend system.
  
  
  Backend System Down: The backend system may be down or not reachable, which would prevent the RFC call from being executed.
  
  
  SAP Notes: There may be specific SAP Notes that address known issues with the RFC destination or workflow processing that need to be applied.
  
  
  Solutions:
  
  
  Check RFC Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI.
  Locate the RFC destination that corresponds to the workflow backend system.
  Verify the connection parameters (target host, system number, client, etc.) and ensure they are correct.
  Test the connection using the "Connection Test" button.
  
  
  
  Check Network Connectivity:
  
  Ensure that the network connection between the CRM system and the backend system is stable.
  Use tools like ping or traceroute to check connectivity.
  
  
  
  Review User Authorizations:
  
  Check the user credentials used for the RFC connection.
  Ensure that the user has the necessary authorizations to execute workflows in the backend system.
  
  
  
  Check Backend System Status:
  
  Verify that the backend system is up and running.
  Check for any system logs or alerts that may indicate issues with the backend system.
  
  
  
  Review SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error.
  Apply any necessary patches or updates as recommended.
  
  
  
  Check Workflow Configuration:
  
  Ensure that the workflow is correctly configured in the backend system.
  Verify that all necessary workflow templates and tasks are active and correctly set up.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: To manage RFC destinations.
  SWI1: To monitor workflow instances.
  SWI2_FREQ: To analyze workflow errors.
  
  
  
  SAP Documentation: Refer to the official SAP Help Portal for detailed documentation on configuring RFC destinations and troubleshooting workflow issues.
  
  
  SAP Community: Engage with the SAP Community forums for insights and solutions from other users who may have encountered similar issues.
  
  
  By following these steps, you should be able to diagnose and resolve the issue related to the RFC destination and workflow backend system in your SAP environment.