Microsoft Dynamics AX 2012 R3 CU12 is now available to our customers for download on Lifecycle Services, CustomerSource and PartnerSource. Cumulative Update 12 build number is 6.3.5000.138. To download CU12 from LCS, select an R3 project and click the updates tile.
For installation instructions, download the Installation guide for cumulative update 12 for Microsoft Dynamics AX 2012 R3.
The latest changes can be found in the What’s new in Microsoft Dynamics AX 2012 document found here.
A new module, Cortana Intelligence services management, allows you to integrate to the Microsoft Cognitive services – Recommendations API right from within Dynamics AX without have to learn data science or big data technologies. More about this feature can be found with other enhancements described in the what's new document.
All of these documents can be centrally found on the Cumulative Update 12 install and enhancements page.
For detailed information on Microsoft Dynamics Ax 2012 R3 CU12 release, please refer to the release notes official KB document KB3199741
Please note, as happened for AX 2012 R3 CU10 and CU11, the application version will show a different number of: 6.3.5000.133 if you apply CU12 to an existing install of Ax2012 R3. This is due to all the individual models that are applied to your system through the CU12 install. The one model indicating all models for CU12 has been applied has version number 6.3.5000.133. Using a slipstream process as detailed in the Installation guide will result in the single full model applied for CU12 with build number 6.3.5000.138. The Slipstream build is only available from the LCS updates tile. The version of your binary files will also have build number 6.3.5000.138 listed.
To learn about known issues in cumulative update 12, log into LCS by using CustomerSource or PartnerSource account. Then, in the Issue search box, enter “CU12 known issue” as the query for Microsoft Dynamics AX 2012 R3.