How To Fix BGRFC126 - System error with server group &1; message &2

SAP Error Message - Details

• Message type: E = Error

• Message class: BGRFC - qRFC - New Background RFC

• Message number: 126

• Message text: System error with server group &1; message &2

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?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

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 BGRFC126 - System error with server group &1; message &2 ?

  The SAP error message BGRFC126 indicates a system error related to the background RFC (BGRFC) framework, specifically involving a server group. This error typically arises when there is an issue with the configuration or communication between the application server and the BGRFC server group.
  Cause:
  
  Server Group Configuration: The server group specified in the error message may not be correctly configured or may not exist.
  Network Issues: There could be network connectivity problems between the application server and the BGRFC server group.
  Resource Limitations: The server may be experiencing resource limitations, such as memory or CPU constraints, which can affect its ability to process requests.
  System Load: High system load or performance issues can lead to failures in processing BGRFC calls.
  Transport Layer Issues: Problems with the transport layer (e.g., TCP/IP) can also lead to communication failures.
  
  Solution:
  
  
  Check Server Group Configuration:
  
  Verify that the server group specified in the error message is correctly configured in the SAP system.
  Use transaction code SMLG to check the server group settings.
  
  
  
  Network Connectivity:
  
  Ensure that there are no network issues between the application server and the BGRFC server group.
  Use tools like ping or traceroute to check connectivity.
  
  
  
  Monitor System Resources:
  
  Check the system's resource usage (CPU, memory, etc.) using transaction codes like SM50 or SM66.
  If resource limitations are identified, consider optimizing the system or increasing resources.
  
  
  
  Review System Logs:
  
  Check the system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the issue.
  
  
  
  Restart BGRFC:
  
  If the issue persists, consider restarting the BGRFC service. This can be done using transaction SM58 to check for any stuck or failed BGRFC calls and to restart them.
  
  
  
  Check for Updates:
  
  Ensure that your SAP system is up to date with the latest patches and updates, as some issues may be resolved in newer versions.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  BGRFC: Background Remote Function Call is a mechanism in SAP that allows asynchronous communication between different SAP systems or between different application servers within the same system.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM58 (for monitoring BGRFC), SMLG (for server group configuration), and SM21 (for system logs).
  SAP Support: If the issue cannot be resolved with the above steps, consider reaching out to SAP Support for further assistance.
  
  By following these steps, you should be able to diagnose and resolve the BGRFC126 error in your SAP system.