I am having an issue setting up cross forest free/busy.
I have it working 1 way but I can not seem to get it to work the other way.
I folloowed the steps outlined in this article
On the side that it does not work non of the CAS servers show any event id messages.
The only place I seem to get an error is when I run
test-outlookwebservices firstname.lastname@example.org to email@example.com it comes up with error 1111.