This has bothered me for a while.  Frequently, when importing something intended for DAZ or poser, the  shaders are ... well ... non-Carrara conforming.  Some items have dozens of shaders and every bloody one has the highlight set to color, and the color is black.  All surfaces shine like a mirror.  I go in and change every bloody highlight (setting many to none, but some need a highlight, just not that much).  This is very manual.  Is there any way to change a parameter like highlight for a number of shaders all at once?

Just wondering.

Klebnor

For now the answer is no. There are reference shaders, but it only works in scenes (this kind of shader is saved with a scene not with an object... what is a shame). We have asked Daz for such way to change parameters, maybe in the future we can do batch adjustments to shaders in Carrara very easy.;

Edit>Consolidate Duplicate Shaders.

I know, cryptic.:}

At least wenow have the ability to consolidate duplicate shaders, in the edit menu and only have to edit one of them, to get the change applied to all,

Of course that's no help if you need to, as your example states, change the highlight over  dissimilar shaders.  We're still screwed there.