In case you missed it, there were some recent updates to Lync Server 2010: http://support.microsoft.com/kb/2493736.
Updates are available for these Lync components:
Update for Core Components
Update for Conferencing Server
Update for Web Components Server
Also, if you are using Communicator Mobile component alongside Lync Server 2010, there is a recent package update available at: http://www.microsoft.com/downloads/en/details.aspx?FamilyID=73b0007b-3a91-4ad5-bc66-26a745337e00.
April 4, 2011 Update: BES 5.0 SP3 has been released which adds support for Microsoft OCS 2007 R2. See Blackberry Support for OCS 2007 R2 and Lync is Now Available for more information.
Many readers of this blog are interesting in BlackBerry support for Microsoft OCS 2007 R2 and Lync, so I wanted to provide this [...]
Here are my Top 10 quick frequently-needed facts when you are first considering a Lync 2010 migration from OCS 2007 R2 (or if you are considering co-existence).
1. Lync 2010 Servers Can Coexist with OCS 2007 R2 Servers (in an OCS 2007 R2 Deployment)
• They can coexist in the same AD Forest and AD Domain, but [...]