Performance Counters - ASP.NET v4.0.30319 - Blank /Missing counter objects for system-level ASP.NET, but not application-level ASP.NET

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If you are experiencing blank or missing counter objects for system-level ASP.NET performance counters in ASP.NET v4.0.30319, while the application-level ASP.NET counters are available, there are a few potential causes and solutions you can try:

  1. Permissions: Ensure that the user account running the performance counter monitoring has sufficient permissions to access system-level counters. The user should be a member of the local Performance Monitor Users group or have administrative privileges.

  2. .NET Framework Version: Verify that the .NET Framework version installed on the system matches the version of the performance counters you are trying to access. In this case, ensure that the .NET Framework version 4.0 is installed.

  3. Performance Counter Corruption: It's possible that the performance counter configuration has become corrupted. You can try rebuilding the performance counter configuration by following these steps:

    • Open a Command Prompt with administrative privileges.
    • Run the following command to unload the performance counter configuration:
      bash
      lodctr /unload
    • Run the following command to reload the performance counter configuration:
      bash
      lodctr /r

  4. ASP.NET Registration: Confirm that ASP.NET is registered correctly with IIS. You can use the aspnet_regiis.exe tool to ensure proper registration. Open a Command Prompt with administrative privileges and run the following command:

    css
    aspnet_regiis.exe -i

  5. .NET Framework Repair: If none of the above steps resolve the issue, you can try repairing the .NET Framework installation. Use the .NET Framework Repair Tool or the built-in repair functionality in Windows to repair the installation.

It's worth mentioning that performance counters can sometimes be finicky and exhibit unexpected behavior. If the issue persists, you may need to investigate further or consult with Microsoft support for more advanced troubleshooting steps.

Remember to always perform changes and troubleshooting steps with caution, especially when it involves system-level components and configurations. Make sure to have proper backups and follow best practices.