How To Fix SAUTH005 - Kernel function does not exist: See SAP Note 543164

SAP Error Message - Details

• Message type: E = Error

• Message class: SAUTH - Messages: Authorization Trace for Non-Transaction Services

• Message number: 005

• Message text: Kernel function does not exist: See SAP Note 543164

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 SAUTH005 - Kernel function does not exist: See SAP Note 543164 ?

  The SAP error message SAUTH005 indicates that a kernel function required for authentication does not exist. This error typically arises when there is a mismatch between the SAP kernel version and the required functions for the specific SAP system or application you are using.
  Cause:
  
  Kernel Version Mismatch: The SAP kernel version installed on your system may not support the required authentication functions.
  Missing or Corrupted Files: The necessary kernel files may be missing or corrupted.
  Upgrade Issues: If the system was recently upgraded, some kernel components may not have been updated correctly.
  
  Solution:
  
  Check Kernel Version: Verify the current kernel version by using transaction code SM51 or SLICENSE. Compare it with the version required for your SAP system as per the SAP documentation.
  Update Kernel: If the kernel version is outdated, download the latest kernel from the SAP Service Marketplace (S-user required) and update your system. Follow the instructions provided in the SAP Note for the update process.
  Check SAP Notes: Refer to SAP Note 543164 for specific instructions and additional troubleshooting steps related to this error. This note may provide insights into specific kernel functions that are missing and how to resolve them.
  Reinstall Kernel: If files are missing or corrupted, consider reinstalling the kernel. Ensure that you back up your current kernel before performing this action.
  Consult SAP Support: If the issue persists after following the above steps, consider reaching out to SAP Support for further assistance.
  
  Related Information:
  
  SAP Note 543164: This note contains specific details about the SAUTH005 error, including potential causes and recommended actions.
  Kernel Upgrade Documentation: Always refer to the official SAP documentation for guidelines on upgrading the kernel and ensuring compatibility with your SAP system.
  System Logs: Check system logs (transaction codes like SM21) for any additional error messages that may provide more context about the issue.
  
  By following these steps, you should be able to resolve the SAUTH005 error and restore proper functionality to your SAP system.