Setting folder as case-sensitive with fsutil.exe file doesn't work

Question

I am trying to make the folder case-sensitive on Windows 10 following one of the many tutorials using fsutil.exe: How to Enable or Disable Case Sensitive Attribute for Folders in Windows 10

First I executed command

Enable-WindowsOptionalFeature -Online -FeatureName Microsoft-Windows-Subsystem-Linux

It executed successfully and asked to reboot, which I did. Then I tried to make my target folder case-sensitive with command

fsutil.exe file setCaseSensitiveInfo <path/to/target/folder> enable

... but it responds with

setCaseSensitiveInfo is an invalid parameter.

whatever I do. I even tried different cases (heh) like SetCaseSensitiveInfo

Here I stuck because I can't google anything relatable and also fsutil documentation doesn't contain anything about setCaseSensitiveInfo for some reason. Any help?

My windows 10 version is 1607 btw

Answer 1

Your Windows 10 version is too old. This feature was added in version 1803 (RS4).