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Layers [AX 2012]

Updated: September 16, 2014

Applies To: Microsoft Dynamics AX 2012 R3, Microsoft Dynamics AX 2012 R2, Microsoft Dynamics AX 2012 Feature Pack, Microsoft Dynamics AX 2012

In Microsoft Dynamics AX, a layer system is used to manage elements. The USR layer is the top layer and the SYS layer is the bottom layer, and each layer has a corresponding patch layer above it.

The following table describes the application object layers in Microsoft Dynamics AX:

Layer

Description

USR

The user layer is for user modifications, such as reports.

CUS

The customer layer is for modifications that are specific to a company.

VAR

Value Added Resellers (VAR) can make modifications or new developments to the VAR layer as specified by the customers or as a strategy of creating an industry specific solution.

ISV

When an Independent Software Vendor (ISV) creates their own solution, their modifications are saved in the ISV layer.

SLN

The solution layer is used by distributors to implement vertical partner solutions.

FPK

The FPK layer is an application object patch layer reserved by Microsoft for future patching or other updates. For more information, see Patch Layers.

GLS

When the application is modified to match country or region specific legal demands, these modifications are saved in the GLS layer.

NoteNote

The GLS layer is consolidated into the SYS layer in Microsoft Dynamics AX 2012 R3.

SYS

The standard application is implemented at the lowest level, the SYS layer. The application objects in the standard application can never be deleted.

Each layer has a corresponding patch layer that can be used to incorporate updates to your application or to store conflicts when you import models into a layer. For more information about patch layers, see Patch Layers.


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