Error enabling NetFx3 feature offline Server 2008 R2

I have a software application I want to be installed after deploying Server 2008 R2 (any edition) but it requires .Net Framework 3.0 to be present. If I try to use DISM to enable the feature, it returns an error. This is the command I used:

DISM -IMAGE:c: -ENABLE-FEATURE -FEATURENAME:NetFx3 -SCRATCHDIR:c:\temp

and this is the error I receive:

Error: 0x800f080c
Feature name NetFx3 is unknown.

Using -GET-PACKAGES on the offline image shows NetFx3 is disabled. I tried to search for this already and couldn't find any solutions for 2008 R2.