How To Fix TA279 - & processes of RFC/server group & used

SAP Error Message - Details

• Message type: E = Error

• Message class: TA - Extended table maintenance (eval., Customizing, client copy)

• Message number: 279

• Message text: & processes of RFC/server group & used

INCLUDE TA265 OBJECT DOKU ID NA

Error message extract from SAP system. Copyright SAP SE.

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• What is the cause and solution for SAP error message TA279 - & processes of RFC/server group & used ?

  The SAP error message TA279 typically relates to issues with Remote Function Call (RFC) connections or server groups in an SAP environment. This error can occur in various scenarios, often indicating that there is a problem with the configuration or availability of the RFC destination or the server group being used.
  Cause of Error TA279
  
  RFC Destination Issues: The RFC destination may not be correctly configured, or the target system may be down or unreachable.
  Server Group Configuration: The server group specified in the RFC destination may not be correctly set up or may not contain any active application servers.
  Network Issues: There may be network connectivity problems between the SAP systems involved.
  Authorization Issues: The user may not have the necessary authorizations to execute the function module or access the RFC destination.
  Load Balancing Issues: If the server group is used for load balancing, it may not be properly configured, leading to failures in routing requests.
  
  Solutions to Error TA279
  
  
  Check RFC Destination:
  
  Go to transaction SM59 and verify the configuration of the RFC destination.
  Test the connection to ensure it is working correctly.
  
  
  
  Verify Server Group:
  
  Check the server group configuration in transaction SMLG to ensure that it is correctly set up and that there are active application servers in the group.
  
  
  
  Network Connectivity:
  
  Ensure that there are no network issues preventing communication between the systems. You can use tools like ping or traceroute to diagnose connectivity.
  
  
  
  Authorization Check:
  
  Verify that the user executing the RFC call has the necessary authorizations. You can check this in transaction SU53 after the error occurs.
  
  
  
  Review Load Balancing:
  
  If using load balancing, ensure that the load balancing settings are correctly configured and that the servers in the group are operational.
  
  
  
  Check System Logs:
  
  Review the system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the issue.
  
  
  
  Related Information
  
  RFC (Remote Function Call): A protocol used in SAP systems to enable communication between different SAP systems or between SAP and non-SAP systems.
  Server Groups: A collection of application servers that can be used for load balancing and failover in an SAP landscape.
  Transaction Codes:
  
  SM59: Manage RFC destinations.
  SMLG: Manage server groups.
  SM21: View system logs.
  SU53: Analyze authorization failures.
  
  
  
  Processes Involved
  
  Creating and Managing RFC Destinations: This involves defining the target system, connection type, and other parameters necessary for establishing a connection.
  Configuring Server Groups: This includes defining which application servers belong to a group and how requests should be distributed among them.
  Monitoring and Troubleshooting: Regular monitoring of RFC connections and server groups is essential to ensure they are functioning correctly and to troubleshoot any issues that arise.
  
  By following the above steps and understanding the underlying causes, you should be able to resolve the TA279 error effectively. If the problem persists, consider reaching out to SAP support for further assistance.