1. In max preferences enable gamma/lut correction and set gamma to 2.2.
2. Check affect color selectors and affect material editor.
3. Leave input and output gamma = 1.0.
4. In Vray color mapping, leave it set to linear, and set gamma to 2.2.
5. When loading a normal texture, specify it is gamma 2.2 in the bitmap loader.
6. HDRI maps don't need this correction as they are 1.0 textures.
7. Or use color correct plugin and specify gamma 2.2 there (don't do both!)