How To Fix S1066 - Saving operating system performance data (&)

SAP Error Message - Details

• Message type: E = Error

• Message class: S1 - Statistik / SAP-Monitor

• Message number: 066

• Message text: Saving operating system performance data (&)

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 S1066 - Saving operating system performance data (&) ?

  The SAP error message S1066, which indicates an issue with saving operating system performance data, typically arises in the context of performance monitoring and data collection within the SAP system. This error can occur for various reasons, including configuration issues, permission problems, or system resource limitations.
  Causes:
  
  Insufficient Permissions: The user or the system may not have the necessary permissions to write performance data to the specified location.
  Configuration Issues: Incorrect configuration settings in the SAP system or the operating system can lead to this error.
  Resource Limitations: The system may be running low on resources (e.g., disk space, memory) that are required to save performance data.
  File System Issues: Problems with the file system, such as corruption or read/write errors, can prevent data from being saved.
  Network Issues: If the performance data is being sent to a remote location, network issues could prevent successful transmission.
  
  Solutions:
  
  Check Permissions: Ensure that the user or service account running the SAP instance has the necessary permissions to write to the target directory or file.
  Review Configuration: Verify the configuration settings for performance data collection in both SAP and the operating system. Ensure that paths and parameters are correctly set.
  Monitor System Resources: Check the system for available disk space, memory, and CPU usage. Free up resources if necessary.
  Inspect File System: Run diagnostics on the file system to check for errors or corruption. Repair any issues found.
  Network Connectivity: If applicable, check the network connection to ensure that there are no issues preventing data transmission.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error. SAP frequently releases notes that address known issues.
  Transaction Codes: Use transaction codes like ST06 (Operating System Monitor) or ST03 (Workload Analysis) to gather more information about system performance and issues.
  Logs: Review system logs (e.g., dev_w* logs) for additional error messages or warnings that may provide more context about the issue.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance.