Originally Posted by Inphektion
Just to add to this, BES 4.0.x runs fine in an exchange 2007 environment. you simply need to remove esm if you have on bes server and install the new mapi and cdo files as referenced in this thread then change some permissions in exch 07 and works fine. I only ran it for a week before upgrading to 4.1.4 so can't post anything else about it now.
Anywho, even if the "Enterprise Activation" didn't work, the BES catched the PIN of the user and everything works fine...exept it's only one way: from exchange to the phone, and not from the phone to exchange.