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How to install .NET Framework 3.5 on Windows Server 2012 and Windows Server 2012 R2

· One min read

.NET Framework 3.5 needs the source files off the Windows Server 2012 DVD in order to install. You can do this online and without needing a restart using DISM.

1. Go to a command prompt and enter this:

dism /online /enable-feature /featurename:NetFX3 /all /Source:d:sourcessxs /LimitAccess

Note: Source should be the Windows DVD location, ie d: /Source:x if x is your DVD mount point.