Blackberry Collaboration Service and Office Communications Server 2007

One of the many projects today was to get OCS 2007 and our Blackberry Enterprise Server (4.1.6) to talk to each other in our HMC 4.5 Lab. To accomplish this I created a new virtual web server on our Communicator Web Access server in OCS setting the type to Internal using Built-in Authentication. Where the documentation on http://www.blackberry.com/support doesn't tell you (or at least I didn't' see today) was that you have to enable BOTH Forms-based authentication and Integrated (NTLM/Kerberos) authentication to get it to work. Continue setting a random unused port number, choose SSL and select a certificate. On the BES side enter the FQDN of the server that matches your SSL cert and enter the port number in the Collaboration Sevice's properties page. The hardest part was getting the client downloaded to the device which I found at http://na.blackberry.com/eng/support/downloads/im.jsp#tab_tab_ocs