How To Fix CONV166 - RFC Destination in CONVERTER-CONV_DEST not accessible

SAP Error Message - Details

• Message type: E = Error

• Message class: CONV - Messages in Connection with the Converter

• Message number: 166

• Message text: RFC Destination in CONVERTER-CONV_DEST not accessible

Self-Explanatory Message

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CONV166 - RFC Destination in CONVERTER-CONV_DEST not accessible ?

  The SAP error message CONV166 indicates that there is an issue with the RFC (Remote Function Call) destination in the context of a conversion process. Specifically, the message states that the RFC destination in the converter (CONVERTER-CONV_DEST) is not accessible. This can occur in various scenarios, such as when trying to convert data formats or when using external systems.
  Causes:
  
  
  RFC Destination Configuration: The RFC destination may not be correctly configured in the SAP system. This could include incorrect connection parameters, such as the target system's hostname, service, or system ID.
  
  
  Network Issues: There may be network connectivity issues between the SAP system and the target system defined in the RFC destination.
  
  
  Authorization Issues: The user or service account being used to access the RFC destination may not have the necessary authorizations.
  
  
  Target System Down: The target system that the RFC destination points to may be down or not reachable.
  
  
  Incorrect Logical System Name: The logical system name defined in the RFC destination may not match the actual system.
  
  
  Solutions:
  
  
  Check RFC Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI.
  Locate the RFC destination (e.g., CONVERTER-CONV_DEST).
  Verify that the connection parameters (like hostname, system number, client, user, password) are correct.
  
  
  
  Test the Connection:
  
  In transaction SM59, select the RFC destination and use the "Connection Test" option to check if the connection is successful.
  
  
  
  Check Network Connectivity:
  
  Ensure that there are no network issues preventing access to the target system. You can use tools like ping or telnet to check connectivity.
  
  
  
  Review Authorizations:
  
  Ensure that the user or service account has the necessary authorizations to access the RFC destination. You may need to check roles and profiles assigned to the user.
  
  
  
  Check Target System Status:
  
  Verify that the target system is up and running. If it is down, you will need to wait until it is back online.
  
  
  
  Review Logical System Name:
  
  Ensure that the logical system name in the RFC destination matches the actual system name. This can be checked in transaction SCC4.
  
  
  
  Check for System Logs:
  
  Review system logs (transaction SM21) for any additional error messages or warnings that might provide more context about the issue.
  
  
  
  Related Information:
  
  
  RFC Destinations: RFC destinations are used in SAP to define how to connect to other SAP systems or external systems. They can be configured for various types of connections, including TCP/IP, HTTP, and more.
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the CONV166 error. You can search for relevant notes in the SAP Support Portal.
  
  
  Documentation: Refer to SAP documentation for detailed information on configuring RFC destinations and troubleshooting connectivity issues.
  
  
  By following these steps, you should be able to identify and resolve the issue causing the CONV166 error message.