Microsoft Released 3rd Cumulative Update CU3 yesterday for System Center Configuration Manager 2012 R2 with lot of fixes,powershell changes and some of them have been modified/new stuff added.
With this update,you can set a client to use a specific management point(s) by setting a registry value ,which is kind of Location Aware 
,More info ,read Justin Chalfant's blog
This update replaces Cumulative Update 2 for System Center 2012 R2 Configuration Manager.If you have not applied CU1 or CU2 yet on your Configuration manager 2012 R2,you can directly go with CU3.
Download the Cumulative Update 3 (ConfigMgr_2012_R2_CU3_KB2994331_ENU – 96.8MB) from http://support.microsoft.com/kb/2994331
Description of Windows PowerShell changes in CU3 http://support.microsoft.com/kb/2999304
About Cumulative Update documentation,creation of collection ,refer http://technet.microsoft.com/en-us/library/jj553405.aspx
Restart information:
You do not have to restart the computer after you apply this update.
Note : It is recommend to close the Configuration Manager Administrator Console before you install this update.
This update is applicable to:
Central Administrative site (CAS)
Primary Site(Stand Alone)
Primary Site(Hierarchy)
Secondary Site
SMS Provider
Configuration manager console
Client
Version Changes:
Admin Console Version :5.00.7958.1401
Configmgr Client Version:5.00.7958.1401
No Version change to Site System(you still have R2 Version on the Site properties) :5.00.7958.1000
So what are issues that are fixed and functionality that is updated in Cumulative Update 3 (CU3) ?
- Software Distribution and application management
- Wake On LAN
- Migration
- Company Portal
- Admin Console
- Mobile Devices
- Operating System Deployment
- Client
- Site servers and systems
- Windows Powershell
- Management point communications
- Operating Systems other than windows
- Software Updates
How to determine the installation status of this cumulative update:
This cumulative update changes the following Configuration Manager version numbers and installation properties.
The CULevel value is located under the following registry subkey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SMS\Setup
The CULevel value is set to 3 for Cumulative Update 3.
Admin Console Version :5.00.7958.1401
Client Version:5.00.7958.1401
In Next post,i will show you how to install this update and upgrade clients with CU3.
SCCM Configmgr 2012 R2 Cumulative Update 3 – KB2994331 Available for Download is a post from: Eswar Koneti's Blog