This is more of an administrative sanity thing than a problem, per se... I've got a file share full of user home directories, where they can save stuff that they don't need to share with each other.

A Desktop.ini file is a hidden Windows operating system configuration settings file located in every folder, that determines how the folder is displayed along with its other Properties – like the icon ...

You can change or restore the Folder default icon in Windows 11/10 using any of the following methods: Change Folder default icon in Properties Change Folder default icon in desktop.ini file Restore ...

(DESKTOP.INItialization) A hidden file that Windows creates and stores in the folder if the user customizes the folder's appearance such as changing its icon or optimization setting for indexing its ...