What is Kernel Hotfix and Application Hotfix in Microsoft Dynamics AX 2012? | CloudFronts

What is Kernel Hotfix and Application Hotfix in Microsoft Dynamics AX 2012?

Introduction: 

In this blog, we will see what includes in Kernel Hotfix and Application Hotfix in Microsoft Dynamics AX 2012. 

Details: 

1. Kernel Hotfix: 

·    This hotfix updates Microsoft dlls. E.g. update are the executable files (ax32.exe, ax32serv.exe) and assemblies (Microsoft.Dynamics.AX.*.dll)

·    There are no code-level changes.

·    This hotfix required to install at all the client PCs & Servers, where any of the components of AX is installed.

·    A kernel fix is always cumulative.


2. Application Hotfix: 

        ·   This type of hotfixes affects code development done by partners.

·    Updates in the SYP, GLP, FPP & SLP layers (the layers reserved for Microsoft code). These changes are made in the AX model store in AX 2012 and later versions

·    An application fix is NOT cumulative.



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