Windows Server 2012 R2–November Update Rollup

Another quick announcement – November UR for 2012 R2, Windows RT 8.1 & Windows 8.1 includes no fewer than 15 fixes for issues that will also affect Windows Server 2012 R2 Essentials.

http://support.microsoft.com/kb/2887595

The most interesting fix to those deploying Essentials R2 may be:

KB 2898803 All client backup settings are removed after you start the Windows Server Essentials Management Service in Windows Server 2012 R2 Essentials