Deployment

Installing .NET Framework 3.5 with MDT

You could use a DISM command line to install .net Framework 3.5 using something like: DISM.exe /online /enable-feature /featurename:NetFX3 /All/Source:”%deployroot%\Operating Systems\Windows 8.1 x64 Enterprise\Sources\SXS” /LimitAccess But since you have already imported the OS into MDT you may as well use the media that MDT already has and specify the source …