New Layers in Dynamics AX 2009
4 layers have been renamed in Dynamics AX 2009 . DIS / DIP / LOS / LOP have become HFX / SL1 / SL2 / SL3 respectively. HFX is reserved for releasing hot fixes, and the 3 new solution layers (SL1/SL2/SL3) will be used to release Microsoft Dynamics Industry Solutions.
The purpose of having 3 solution layers is to enable side-by-side install of Industry Solutions. At deployment time any SL1 layer can be renamed to SL2, SL3, BUS or BUP through a regular file rename. The AOS will recognize the layer, and honor its position in the layer stack. This will enable installing up to 3 Industry Solutions on the same system (or up to 5 Industry Solutions if the BUS and BUP layers are vacant.)
Another aspect of side-by-side installation is conflicting names and IDs in the model. The AX platform requires unique names and IDs of all model elements, we will ensure uniqueness across Industry Solutions through our engineering processes. Naturally there will be logically overlayering conflicts for certain elements; but as the Industry Solutions by nature are verticals we anticipate very few of these. These conflicts will need to be resolved; one way is to reclaim one of the SLx layers as an adaptation layer. More information on this will be available as the Industry Solutions become available.
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