How To Fix BGRFC657 - Time stamp of the oldest bgRFC unit in the inbound scenario

SAP Error Message - Details

• Message type: E = Error

• Message class: BGRFC - qRFC - New Background RFC

• Message number: 657

• Message text: Time stamp of the oldest bgRFC unit in the inbound scenario

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message BGRFC657 - Time stamp of the oldest bgRFC unit in the inbound scenario ?

  The SAP error message BGRFC657 indicates that there is an issue with the background RFC (bgRFC) processing in the system. Specifically, it refers to the time stamp of the oldest bgRFC unit in the inbound scenario, which suggests that there are units that have not been processed for a certain period of time. This can lead to performance issues or even system failures if not addressed.
  Cause:
  
  Long Processing Times: The bgRFC units may be taking too long to process due to various reasons such as system performance issues, long-running transactions, or locks on resources.
  Network Issues: If the bgRFC is trying to communicate with another system, network issues could delay the processing of the units.
  Configuration Issues: Incorrect configuration of bgRFC settings or the related application can lead to delays in processing.
  High Volume of Requests: A sudden spike in the volume of requests can overwhelm the system, causing delays in processing.
  Deadlocks or Locks: If there are locks on the database or deadlocks occurring, this can prevent bgRFC units from being processed.
  
  Solution:
  
  Monitor bgRFC Queue: Use transaction SM58 to monitor the bgRFC queue and identify any units that are stuck or taking too long to process.
  Check System Performance: Analyze system performance metrics to identify any bottlenecks. This may involve checking CPU, memory, and I/O usage.
  Review Configuration: Ensure that the bgRFC configuration is set up correctly. This includes checking the settings in transaction SBGRFC.
  Increase Processing Capacity: If the system is under heavy load, consider increasing the processing capacity by adding more application servers or optimizing existing ones.
  Clear Stuck Units: If there are units that are stuck, you may need to manually clear them or reprocess them. This can be done using transaction SMQ1 for outbound queues or SMQ2 for inbound queues.
  Check for Locks: Use transaction SM12 to check for any locks that may be preventing the processing of bgRFC units and resolve them.
  Review Application Logic: If the issue is related to specific application logic, review the code to ensure it is optimized and not causing unnecessary delays.
  
  Related Information:
  
  bgRFC: Background Remote Function Call (bgRFC) is a mechanism in SAP that allows asynchronous communication between different SAP systems or between different processes within the same system.
  Monitoring Tools: Use tools like ST22 (Dump Analysis) and SM21 (System Log) to check for any related errors or dumps that may provide more context on the issue.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address specific issues related to bgRFC processing or the BGRFC657 error.
  
  By following these steps, you should be able to identify the root cause of the BGRFC657 error and implement a solution to resolve it.