Support for upgrade and N-1 (AX 2012)
Existing Dynamics AX 2012 retailers can now upgrade their back-office headquarters components to the latest Dynamics 365 for Retail, while allowing their distributed store systems to remain on the AX 2012 R3 version (N-1). This allows staged roll-outs, upgrading the store systems over time, during optimal scheduled downtimes. In addition, retailers deploying new (non-upgrade) Dynamics 365 back-office systems can now take advantage of the N-1 capabilities.
Moreover, enhancements have been made to improve the experience and reliability of the end-to-end upgrade process of customers running Dynamics 365 for Retail and Dynamics 365 for Finance and Operations (7.0, 7.1, 7.2, and 7.3), including improved support for backward and forward compatibility between minor version updates.