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Netwrix Auditor for File Servers reports excessive file read attempts that did not actually occur

Netwrix Auditor search, alerts and/or summary emails contain excessive file read attempts.

If the thumbnail previews option is enabled for an account in File Explorer, each time the user opens a folder, internal icons cache is overwritten.


Resolution

In order to reduce the number of such read attempts, you should configure the following policies:

  1. Open the Local Group Policy Editor snap-in on any domain controller in the target domain: navigate to Start > Run and type gpedit.msc.
  2. In the Local Group Policy Editor snap-in, navigate to User Configuration > Administrative Templates > Windows Components > File Explorer.
  3. Enable the following policies:
  • Turn off the display of thumbnails and only display icons
  • Turn off the display of thumbnails and only display icons on network folders
  • Turn off the caching of thumbnails in hidden thumbs.db files
  • Turn off caching of thumbnail pictures

Note: You should be signed in as an administrator to perform this operation.