We multicasted to 43 machines. Updated the image on the master.
Multicasted the updated image to 36 machines. (the other 7 wouldn't join
the session for some unknown reason). I visually verified that all 36
were imaging. One of the 8 which didn't rename appears to not even have
been imaged. The problems with the previous image were still there. It's
as though the machine didn't image even though I saw it take part in the
session and the temp bar going across the screen.

What the heck's going on here?