Lync CU5 is out and there are some good stuff in it…
One of the most talked about new features is that Video Calling for RCC-Enabled Users was added. Great news for some orgs that still sits with PBX´s.
But there are still some caveats to this that can be read about in the NextHop post by Jamie Stark
It is also now possible to use DFS fileshares in topology builder, details here: 2666344 You cannot add a DFS file share as a file store in Topology Builder of Lync Server 2010.
Some other fixes of notice:
2621841 A Lync 2010 user can still send files that contain a long file name after the file transfer is blocked
2664650 Microsoft push notification messages are not delivered to Lync mobile clients
2658817 Calls do not always connect if you have a DNS balancer and multi-homed network deployed in a Lync Server 2010 environment
2675221 A Front End Server does not route network traffic to Lync 2010 Mobile clients if the Collocated Mediation Server option is enabled in Lync Server 2010
2670434 A user cannot sign in by using a mobile device in a Lync Server 2010 environment that has Mobility Service deployed
And many more fixes…
It can be downloaded from http://www.microsoft.com/download/en/details.aspx?id=11551
And one more thing: Don’t forget to update the Database. Best practices when updating Lync servers can be found here. http://www.ultimate-communications.com/2011/12/best-practices-when-updating-lync-server-with-those-cumulative-updates-lync/