That would be me (I think). The DNS entries in the hosts file is in this thread.

http://amazingcharts.com/ub/ubbthreads.php/topics/50392/access_to_e_prescribing_in_AC#Post50392

The 2nd post from Crait@AC describes requirements for Newcropx for e-prescribing. The 3rd post from the end, and the last post has the DNS entries in the hosts file that allows AC to work for us. I found it interesting that a connection to www.google.com is required at some point during program initialization... not sure if necessary in normal AC program operation.