How To Fix COM_IPC_UI016 - No access authorization to write the trace file (error number &)

SAP Error Message - Details

• Message type: E = Error

• Message class: COM_IPC_UI - Message Texts from the UI Environment

• Message number: 016

• Message text: No access authorization to write the trace file (error number &)

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 COM_IPC_UI016 - No access authorization to write the trace file (error number &) ?

  The SAP error message COM_IPC_UI016 indicates that there is no access authorization to write the trace file. This typically occurs in the context of the SAP system's logging and tracing functionalities, where the system attempts to create or write to a trace file but lacks the necessary permissions.
  Cause:
  
  Insufficient Authorizations: The user or the process trying to write the trace file does not have the required authorizations.
  File System Permissions: The underlying file system may have restrictive permissions that prevent the SAP system from writing to the specified directory.
  Incorrect Configuration: The configuration settings for the trace file location may be incorrect or point to a non-existent directory.
  Disk Space Issues: The disk where the trace file is supposed to be written may be full or not accessible.
  
  Solution:
  
  
  Check User Authorizations:
  
  Ensure that the user or service account running the SAP application has the necessary authorizations to write to the trace file location. This may involve checking roles and profiles in the SAP system.
  
  
  
  Verify File System Permissions:
  
  Check the operating system permissions for the directory where the trace file is being written. Ensure that the SAP user has write permissions to that directory.
  
  
  
  Review Configuration Settings:
  
  Check the configuration settings in the SAP system for the trace file location. Ensure that the path is correct and that the directory exists.
  
  
  
  Check Disk Space:
  
  Verify that there is sufficient disk space on the drive where the trace file is being written. If the disk is full, free up space or change the trace file location to a different drive.
  
  
  
  SAP Notes and Documentation:
  
  Look for any relevant SAP Notes that may address this specific error. SAP frequently updates its knowledge base with solutions for common issues.
  
  
  
  Restart Services:
  
  In some cases, restarting the SAP services or the application server may resolve temporary issues related to file access.
  
  
  
  Related Information:
  
  SAP Transaction Codes: You may use transaction codes like SU53 (to check authorization issues) or ST22 (to check dumps) to gather more information about the error.
  SAP Basis Team: If you are unable to resolve the issue, it may be necessary to involve your SAP Basis team, as they can assist with system-level configurations and permissions.
  Logs and Traces: Check other logs and traces in the SAP system for additional context or related errors that may help diagnose the issue.
  
  By following these steps, you should be able to identify and resolve the cause of the COM_IPC_UI016 error in your SAP environment.