How To Fix BGRFC310 - User &1 is unknown

SAP Error Message - Details

• Message type: E = Error

• Message class: BGRFC - qRFC - New Background RFC

• Message number: 310

• Message text: User &1 is unknown

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message BGRFC310 - User &1 is unknown ?

  The SAP error message BGRFC310 User &1 is unknown typically occurs in the context of the Background RFC (BGRFC) framework in SAP. This error indicates that the system is unable to recognize the user specified in the error message, which can lead to issues with background processing or communication between systems.
  Causes:
  
  User Does Not Exist: The user specified in the error message does not exist in the SAP system.
  User Deactivation: The user might have been deactivated or locked in the system.
  Authorization Issues: The user may not have the necessary authorizations to perform the requested operation.
  Incorrect User Configuration: The user might not be properly configured in the BGRFC settings.
  System Configuration Issues: There may be issues with the BGRFC configuration or the communication setup between systems.
  
  Solutions:
  
  
  Check User Existence:
  
  Go to transaction SU01 and check if the user exists in the system. If not, create the user or correct the user ID in the configuration.
  
  
  
  User Activation:
  
  If the user exists but is locked or deactivated, unlock or activate the user in transaction SU01.
  
  
  
  Review Authorizations:
  
  Ensure that the user has the necessary authorizations to perform the required actions. You can check this in transaction SU53 after the error occurs to see if there are any authorization issues.
  
  
  
  BGRFC Configuration:
  
  Check the BGRFC configuration in transaction SM58 (for transactional RFC) and SLG1 (for logging) to ensure that the user is correctly set up for BGRFC processing.
  
  
  
  System Logs:
  
  Review the system logs for any additional error messages or warnings that might provide more context about the issue. Use transaction SLG1 to check the application logs.
  
  
  
  Check RFC Destination:
  
  If the error occurs in a distributed system scenario, ensure that the RFC destination is correctly configured and that the user has the necessary permissions for that destination.
  
  
  
  Restart BGRFC:
  
  In some cases, restarting the BGRFC process can help resolve transient issues. You can do this in transaction SM58.
  
  
  
  Related Information:
  
  BGRFC: Background RFC is a mechanism in SAP that allows for asynchronous communication between different SAP systems or between different processes within the same system.
  Transaction Codes:
  
  SU01: User Maintenance
  SM58: Transactional RFC Monitor
  SLG1: Application Log
  SU53: Authorization Check
  
  
  
  If the issue persists after trying the above solutions, it may be necessary to consult with your SAP Basis team or SAP support for further assistance.