CG Artist Thuyết Nguyễn from Cloo Studio has shared his simple and useful script called: Vrayies Presets
which allows you to easy create the IES light and manage them in your scene. Review: How to install:
Extract & copy all file to Script folder.
Run script VrayIES_Presets.ms or just drag and drop it to max viewport.
Customize\Customize User Interface\Soda4xu Scripts and drag VrayIES Presets to where you wants
Best compatible with 3dsmax 2010 & upper. Download: Enjoy!