Microsoft Dynamics AX 2012 R3 CU13 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 CU13 from LCS, select an R3 project and click the updates tile.
For installation instructions, download the Installation guide for cumulative update 13 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.
All of these documents can be centrally found on the Cumulative Update 13 install and enhancements page.
For detailed information on Microsoft Dynamics Ax 2012 R3 CU13 release, please refer to the release notes official KB document KB4032175.
Please note, as happened for prior cumulative updates the application version will show a different number of: 6.3.6000.149 if you apply CU13 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 6.3.6000.149. Using a slipstream process as detailed in the Installation guide will result in the single full model applied for CU12 with build number 6.3.6000.151. The Slipstream build is only available from the LCS updates tile. The version of your binary files will also have build number 6.3.6000.151 listed.
To learn about known issues in cumulative update 13, log into LCS by using CustomerSource or PartnerSource account. Then, in the Issue search box, enter CU13 known issue as the query for Microsoft Dynamics AX 2012 R3.