Dart 8.0 and Server 2012 R2

Hi!

I am using MDT 2013 on Server 2012 R2 and Dart 8.0 won't install (trying to integrate Dart tools to MDT build).

http://technet.microsoft.com/en-us/library/jj680675.aspx

I see 2012 as an accepted platform, but R2 doesn't work? Can anyone offer me any insight as to a work around?

Thanks!