How To Fix BGRFC002 - Destination &1: Maximum number of connections reached

SAP Error Message - Details

• Message type: E = Error

• Message class: BGRFC - qRFC - New Background RFC

• Message number: 002

• Message text: Destination &1: Maximum number of connections reached

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 BGRFC002 - Destination &1: Maximum number of connections reached ?

  The SAP error message BGRFC002 indicates that the maximum number of connections to a specified destination has been reached in the context of the Background Remote Function Call (BGRFC). This can occur in scenarios where there are many concurrent requests being processed, and the system has hit the limit for the number of connections allowed for that particular destination.
  Cause:
  
  Connection Limit Reached: The destination specified in the error message has a defined maximum number of connections, and this limit has been reached.
  High Load: There may be a high volume of background jobs or processes trying to use the same destination simultaneously.
  Configuration Issues: The configuration settings for the BGRFC destination may not be optimized for the current workload.
  Network Issues: Network problems or misconfigurations can also lead to connections not being released properly.
  
  Solution:
  
  
  Increase Maximum Connections:
  
  You can increase the maximum number of connections allowed for the destination. This can be done in the transaction SM59 (RFC Destinations).
  Find the relevant RFC destination, go to the "Technical Settings" tab, and adjust the "Max. Connections" parameter.
  
  
  
  Monitor and Optimize Background Jobs:
  
  Review the background jobs that are using the BGRFC destination. If there are jobs that can be optimized or scheduled at different times, consider doing so to reduce the load.
  
  
  
  Check for Stuck Connections:
  
  Use transaction SM58 to check for any stuck or failed asynchronous RFC calls. If there are any, you may need to delete or process them to free up connections.
  
  
  
  Review System Performance:
  
  Monitor system performance and resource usage. If the system is under heavy load, consider scaling resources or optimizing the workload.
  
  
  
  Restart BGRFC:
  
  In some cases, restarting the BGRFC service can help clear up any issues with connections. This can be done using transaction SM21 to check logs and SMQ1/SMQ2 for queue monitoring.
  
  
  
  Consult SAP Notes:
  
  Check for any relevant SAP Notes that may provide additional guidance or patches related to BGRFC issues.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: RFC Destinations
  SM58: Monitor Asynchronous RFC
  SMQ1/SMQ2: Monitor Queue for BGRFC
  SM21: System Log
  
  
  
  Documentation: Refer to SAP Help documentation for BGRFC and RFC configuration for detailed guidelines on managing connections and performance tuning.
  
  
  SAP Community: Engage with the SAP Community forums for insights and shared experiences from other users who may have encountered similar issues.
  
  
  By following these steps, you should be able to resolve the BGRFC002 error and optimize the use of BGRFC connections in your SAP system.