is that a HKCU or HKLM key? and when you say prior to logon do you mean it has to be something set everytime they reboot and prior ? (ie citrix wem or something) or just once before logon? also thank you very much!

@Andrew Gresbach https://support.citrix.com/external/article/CTX666117/how-to-keep-your-visual-effects-settings.html

awesome thank you! any downsides you've found to having that set?