How To Fix CONV223 - Error when connecting to SAP Gateway or RFC Server

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 223

• Message text: Error when connecting to SAP Gateway or RFC Server

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?

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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 CONV223 - Error when connecting to SAP Gateway or RFC Server ?

  The SAP error message CONV223 typically indicates a problem with the connection to the SAP Gateway or RFC (Remote Function Call) server. This error can arise due to various reasons, including network issues, configuration problems, or authorization issues. Below are some common causes, potential solutions, and related information for this error:
  Causes of CONV223 Error
  
  Network Issues: There may be network connectivity problems between the client and the SAP server.
  Incorrect Configuration: The RFC destination may not be configured correctly in the SAP system.
  Authorization Issues: The user may not have the necessary authorizations to connect to the RFC server.
  Gateway Issues: The SAP Gateway service may not be running or may be misconfigured.
  Version Mismatch: There may be a mismatch in the versions of the SAP components being used.
  Firewall Restrictions: Firewalls may be blocking the required ports for SAP communication.
  
  Solutions
  
  
  Check Network Connectivity:
  
  Ensure that the client can reach the SAP server. You can use tools like ping or telnet to test connectivity to the server and the specific port.
  
  
  
  Verify RFC Destination:
  
  Go to transaction SM59 in the SAP GUI and check the configuration of the RFC destination. Ensure that the connection parameters (like the target host, system number, and client) are correct.
  
  
  
  Check User Authorizations:
  
  Ensure that the user has the necessary authorizations to connect to the RFC server. You can check this in transaction SU01 or PFCG.
  
  
  
  Check Gateway Configuration:
  
  Ensure that the SAP Gateway is running. You can check the status of the Gateway using transaction SMGW. If it is not running, you may need to start it.
  
  
  
  Review Firewall Settings:
  
  Check if there are any firewall rules that might be blocking the connection to the SAP server. Ensure that the necessary ports (like 3200 for SAP GUI) are open.
  
  
  
  Check SAP Notes:
  
  Look for any relevant SAP Notes that might address this specific error. SAP frequently updates its knowledge base with solutions for known issues.
  
  
  
  Review Logs:
  
  Check the system logs for any additional error messages that might provide more context about the issue. You can use transaction SM21 to view the system log.
  
  
  
  Test Connection:
  
  Use the Connection Test feature in transaction SM59 to test the RFC connection. This can help identify if the issue is with the connection itself.
  
  
  
  Related Information
  
  SAP Documentation: Refer to the official SAP documentation for detailed information on configuring RFC connections and troubleshooting connectivity issues.
  SAP Community: The SAP Community forums can be a valuable resource for finding solutions to similar issues faced by other users.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if it is impacting production systems.
  
  By following these steps, you should be able to diagnose and resolve the CONV223 error when connecting to the SAP Gateway or RFC server.