How To Fix B!011 - Error using Remote Function Call in system &.

SAP Error Message - Details

• Message type: E = Error

• Message class: B! -

• Message number: 011

• Message text: Error using Remote Function Call in system &.

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 B!011 - Error using Remote Function Call in system &. ?

  The SAP error message B!011 indicates an issue with Remote Function Call (RFC) communication between systems. This error typically arises when there is a problem with the connection or configuration of the RFC destination. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Network Issues: There may be network connectivity problems between the SAP systems involved in the RFC call.
  RFC Destination Configuration: The RFC destination may not be correctly configured in the SAP system. This includes incorrect parameters such as the target system's IP address, system number, or client.
  Authorization Issues: The user credentials used for the RFC call may not have the necessary authorizations to execute the function module.
  System Availability: The target system may be down or not reachable due to maintenance or other issues.
  Firewall Restrictions: Firewalls or security settings may be blocking the RFC communication.
  
  Solution:
  
  
  Check Network Connectivity:
  
  Use tools like ping or traceroute to verify that the target system is reachable from the source 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 that is being used. Ensure that the connection type, target host, system number, and client are correctly set.
  Test the connection using the "Connection Test" button in SM59.
  
  
  
  Check User Authorizations:
  
  Ensure that the user ID used for the RFC call has the necessary authorizations to execute the function module in the target system.
  You can check user roles and authorizations in transaction SU01.
  
  
  
  Check System Availability:
  
  Verify that the target system is up and running. You can check this by logging into the target system or checking system status in transaction SM51.
  
  
  
  Review Firewall and Security Settings:
  
  Ensure that any firewalls between the systems allow traffic on the required ports for RFC communication (typically TCP port 3200 for SAP).
  Consult with your network/security team if necessary.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: Manage RFC Destinations
  SM51: List of SAP Servers
  SU01: User Maintenance
  ST22: Dump Analysis (to check for any ABAP runtime errors)
  
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address specific issues related to RFC communication.
  
  
  Logs: Review the system logs in transaction SM21 for any additional error messages or warnings that may provide more context about the issue.
  
  
  By following these steps, you should be able to diagnose and resolve the B!011 error related to Remote Function Call in your SAP system. If the issue persists, consider reaching out to SAP support for further assistance.