How To Fix ICM603 - Number of used MPI buffers has exceeded the threshold value


ICM603 - Overview

  • Message type: E = Error

  • Message class: ICM - Messages for ICM Monitor

  • Message number: 603

  • Message text: Number of used MPI buffers has exceeded the threshold value

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  • Self-Explanatory Message

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Smart SAP Assistant

  • What is the cause and solution for SAP error message ICM603 - Number of used MPI buffers has exceeded the threshold value ?
    The SAP error message ICM603 indicates that the number of used MPI (Message Passing Interface) buffers has exceeded a predefined threshold value. This typically occurs in the context of the Internet Communication Manager (ICM) in SAP systems, which handles HTTP requests and responses.
    
    Cause: High Load: The system is experiencing a high volume of requests, leading to an increased number of MPI buffers being utilized.
    Configuration Issues: The threshold for MPI buffers may be set too low for the current workload. Memory Leaks: There could be an underlying issue in the application or configuration that is causing memory leaks, leading to excessive buffer usage. Inefficient Code: Poorly optimized code or inefficient handling of requests can lead to excessive use of MPI buffers.
    Solution: Increase MPI Buffer Threshold: You can increase the threshold value for MPI buffers in the ICM configuration. This can be done by adjusting the parameter icm/HTTP/mpi_buffer_size in the SAP profile. Example: You can set it to

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