Quote Originally Posted by Robert Davis View Post
I am almost there. I have multisite combining three sites in one -- let's call them one.com, two.com, and three.com. I can go to one.com and throw stuff in the car. Then I got from there to two.com and it brings my zenid from one.com along with the stuff in my cart. Then I go to three.com and again all is well. But soon as I go back to one.com the cart is empty. I can take my cart from two to three, from three to two, from one to two or to three.... only thing I can't do is, soon as I return to one.com my cart is empty. Zenid remains the same. Cart empty.

Driving myself nutz here trying to chase down what I might have botched. Any bright ideas where to look?

TIA
Check your configuration -> sessions and your configure.php

Are they all the same?