While ago we had to compile a list of the cumulative updates for Office Communications Server 2007 R2.
If you are still on Office Communications Server 2007 R2 please consider an upgrade to, at least, Lync Server 2013:
Migration from Office Communications Server 2007 R2 to Lync Server 2013
There isn’t a migration path from Office Communications Server 2007 R2 to Skype for Business Server 2015:
Plan to upgrade to Skype for Business Server 2015
- Set up a new Skype for Business Server 2015 environment.
- Or if your hardware and software meet the requirements for Skype for Business Server 2015, upgrade to Lync Server 2013, and then upgrade to Skype for Business Server 2015 by using the new In-Place Upgrade feature.
The latest updates for Office Communications Server 2007 R2 and how to update each server role is described here:
Updates for Communications Server 2007 R2
Download the latest Cumulative Update for Microsoft Office Communications Server 2007 R2
Here is the table with the list of updates:
| Version | Cumulative Update | KB Article |
|---|---|---|
| 3.5.6907.266 | December 2012 | KB2764850 |
| 3.5.6907.250 | April 2012 | KB2695383 |
| 3.5.6907.236 | September 2011 | KB2590698 |
| 3.5.6907.225 | March 2011 | KB2501719 |
| 3.5.6907.221 | November 2010 | KB2404547 |
| 3.5.6907.209 | July 2010 | KB983472 |
| 3.5.6907.196 | April 2010 | KB978008 |
| 3.5.6907.83 | January 2010 | KB977345 |
| 3.5.6907.56 | October 2009 | KB975611 |
| 3.5.6907.37 | July 2009 | KB969821 |
| 3.5.6907.0 | RTM | NA |
