I discovered a limitation in iClone yesterday, while making my latest video English lesson. I wanted to use iClone to introduce some videos into my project, but iClone interrupted and said that I had reached the limit of 4 videos. I had a choice of making around 8 separate projects, 4 videos to a project, or trying something else. I opted for the latter and used After Effects to introduce the videos after rendering the narrator in iClone. It worked okay, but I would have liked to have been able to put the videos on animated screens in iClone instead.

Any idea why there is a 4 video limit on iClone?

Britlish.com

I've used more than 4 videos -- are you sure it isn't a memory limitation with your GPU?

And how and what are you using?  (I use Popvideo, on billboards).  I haven't tested this in a while (not since about 7.1) but I can test again to be sure.

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Alienware Aurora R12, Win 10, i9-119000KF, 3.5GHz CPU, 128GB RAM, RTX 3090 (24GB), Samsung 960 Pro 4TB M-2 SSD, TB+ Disk space
Mike "ex-genius" Kelley

This video has some great video clip moments. 
@5:04 is BRILLIANT.
I am also very familiar with @6:21....probably got caught watching @6:32

Great video!

Can't confirm this...
Quick test with 17 videos (mp4) as plane or billboard:

Win 10, gtx 1070



Toystorylab on Vimeo :     Crassitudes (my "Alter Ego") on Youtube: 

Then it must be to do with the 3D VFX Motion Montage Vol 2 action panel, Blinds-Whole, that I was using, rather than iClone in general. I will try using different action panels for the next video and see what happens.
Thanks for your help, and your positive comments.

Britlish.com

Well, the panel you mention only has 4 (3+1 side) slots to insert a video
I just checked having 3 Panels (Blinds Whole) in my scene, each of them can carry 3 Videos...
So, that were 9...




Toystorylab on Vimeo :     Crassitudes (my "Alter Ego") on Youtube: