I new post I just finished which covers the types and uses of databases in Lync server:
I recently published a recap of 10 goodLync resources released in the last few months: http://blog.insidelync.com/2011/04/recently-released-lync-resources/.
One that I found useful for OCS 2007 R2 is the Office Communications Server 2007 R2 Address Book Service Configuration Tool available here:
This tool allows you to change the OCS address book settings that [...]
In case you missed it, BlackBerry Enterprise Server for Microsoft Exchange SP3 was recently released.
In case you missed it, RIM recently released BlackBerry Enterprise Server for Microsoft Exchange 5.0 SP3. BES 5.0 SP3 adds [...]
The April 2011 cumulative Lync 2010 Updates are available.
Read more at: http://blog.insidelync.com/2011/04/april-2011-cumulative-update-for-lync-2010/.