Fixes new to this release
Error message when you try to change an IM conversation into a multiparty conference in Communicator 2007: "Your attempt to start a conference was unsuccessful."
Communicator 2005 client computers may send many DNS queries for the name of the Live Communications Server 2005 pool
Error message when you send an instant message to a distribution group that contains more than 100 members in Communicator 2007: "
is too large to display"
Communicator 2007 does not release cached person objects after you search for contacts
The notification sound does not play in Communicator 2007 when you change the notification sound to a .wav file that resides in the Media folder
The translation of the word "free" is incorrect in the Polish version of Communicator 2007
You cannot type a special character in the password box in Communicator 2007
You can read about the changes here. You can grab the update here.