Set default file association in windows 10 professional during OSD

Target: Set Internet explorer 11 as default Browser on windows 10 , Set Adobe Reader DC as default PDF-Explorer

On the Windows 10 professional device set your default file applications like you require it:
Afterwards start a command line as administrator and run the following command:
Dism /Online /Export-DefaultAppAssociations:c:\temp\AppAssoc.xml

Opening the xml file you will see that IE11 and Adobe PDF is now the default:

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Now copy the AppAssoc.xml on your SCCM-Share and create a package for it / no program required. Distribute the package to the required distribution points.

In my case the package name is “Windows-10-Customizing”:

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And the command line to do the import is the following:
Dism.exe /online /Import-DefaultAppAssociations:.\AppAssoc.xml

Then you can run your Windows10 Task-Sequence and you will see that IE11 is now the default web-browser and Adobe PDF the default PDF-Reader.