I've seen this problem many times, but I still can't find a solution to it.
When I bake the two objects, the normal map is completely blue.
Here are my steps:

  1. Select both meshes and click alt+g to clear the location
  2. Click the Normal node in the node editor
  3. Click the high-poly mesh (without the UV map)
  4. Shift click low-poly mesh (with the UV map)
  5. In the render-Bake settings, set bake type to normal, check selected to active and set the ray distance to 0.1
  6. Click Bake

Screen capture: https://drive.google.com/file/d/1Rc5plmrgHKqXaKSYGr9aAUrA_SkWHHIX/view
Blender File: https://drive.google.com/file/d/1-5BUs2dgk0lVyjhgKR0NsDqW18e0nSV6/view?usp=sharing


Your low poly has 2 materials, so I guess you need to also create an Image Texture node in the other material with the same Normal image loaded. Or simply delete Material.001 and bake.

  • $\begingroup$ Thanks, it worked. $\endgroup$
    – math
    Jun 1 at 18:26

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