How To Fix 1S302 - SSF kernel error: insufficient main memory

SAP Error Message - Details

• Message type: E = Error

• Message class: 1S - Messages for SSF ("Secure Store & Forward")

• Message number: 302

• Message text: SSF kernel error: insufficient main memory

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 1S302 - SSF kernel error: insufficient main memory ?

  The SAP error message 1S302 SSF kernel error: insufficient main memory typically indicates that the SAP system is running out of memory resources when trying to perform a Secure Store and Forward (SSF) operation. This can occur during tasks such as encryption or digital signature processing.
  Causes:
  
  Insufficient Memory Allocation: The SAP instance may not have enough memory allocated to handle the current workload.
  High Load: The system may be under heavy load, causing memory resources to be stretched thin.
  Configuration Issues: Incorrect configuration settings in the SAP system can lead to inefficient memory usage.
  Memory Leaks: There may be memory leaks in the application or in the underlying operating system that are consuming available memory.
  Large Data Processing: Processing large amounts of data or large documents can require more memory than is available.
  
  Solutions:
  
  
  Increase Memory Allocation:
  
  Adjust the instance profile parameters to allocate more memory to the SAP instance. Key parameters to consider include abap/heap_area_dia, abap/heap_area_nondia, and rdisp/PG_MAXFS.
  Ensure that the operating system has enough physical memory available.
  
  
  
  Monitor System Performance:
  
  Use transaction codes like ST02 (Tune Summary) and ST04 (Database Performance) to monitor memory usage and identify bottlenecks.
  Check for any long-running processes that may be consuming excessive memory.
  
  
  
  Optimize Configuration:
  
  Review and optimize the configuration settings in the SAP system to ensure efficient memory usage.
  Consider adjusting the parameters related to the SSF and encryption settings.
  
  
  
  Check for Memory Leaks:
  
  Investigate if there are any memory leaks in the application or the underlying system. This may require the assistance of SAP Basis or development teams.
  
  
  
  Reduce Load:
  
  If possible, reduce the load on the system by scheduling heavy processing tasks during off-peak hours.
  
  
  
  Upgrade Hardware:
  
  If the system consistently runs out of memory, consider upgrading the server hardware to provide more RAM.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the SSF kernel error. SAP frequently updates its knowledge base with solutions to common problems.
  System Logs: Review system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the memory issue.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  By following these steps, you should be able to diagnose and resolve the 1S302 SSF kernel error: insufficient main memory issue in your SAP system.