How To Fix /SMB/CM_API_COMMON247 - Error with RFC Connection

SAP Error Message - Details

• Message type: E = Error

• Message class: /SMB/CM_API_COMMON -

• Message number: 247

• Message text: Error with RFC Connection

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 /SMB/CM_API_COMMON247 - Error with RFC Connection ?

  The SAP error message /SMB/CM_API_COMMON247 typically indicates an issue with an RFC (Remote Function Call) connection. This error can arise due to various reasons, and understanding the cause is crucial for troubleshooting. Here’s a breakdown of potential causes, solutions, and related information:
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the target system.
  Configuration Errors: The RFC destination may not be configured correctly in the SAP system.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations.
  System Availability: The target system may be down or not reachable.
  Firewall Restrictions: Firewalls may be blocking the required ports for RFC communication.
  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 "Connection Test" option in SM59.
  
  
  
  Review User Authorizations:
  
  Ensure that the user ID used for the RFC connection has the necessary authorizations to access the target system.
  Check the roles and profiles assigned to the user.
  
  
  
  Check System Availability:
  
  Ensure that the target SAP system is up and running.
  Check for any scheduled downtimes or maintenance activities.
  
  
  
  Firewall Configuration:
  
  Verify that the necessary ports for RFC communication (typically port 3200 for SAP) are open on both the SAP and target systems.
  Consult with your network/security team if needed.
  
  
  
  SAP Gateway Configuration:
  
  Ensure that the SAP Gateway service is running on the SAP system.
  Check the gateway logs for any errors that might indicate issues.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: Manage RFC Destinations
  SMGW: Monitor SAP Gateway
  SICF: Check HTTP services (if applicable)
  
  
  
  Logs and Traces:
  
  Check the system logs (SM21) and developer traces (ST22) for any related error messages.
  Use transaction SLG1 to check application logs for more detailed error information.
  
  
  
  SAP Notes: 
  
  Search the SAP Support Portal for specific SAP Notes related to the error message /SMB/CM_API_COMMON247 for any known issues or patches.
  
  
  
  By following these steps, you should be able to identify and resolve the issue causing the /SMB/CM_API_COMMON247 error with the RFC connection. If the problem persists, consider reaching out to SAP support for further assistance.