Dism /Mount-Image /ImageFile:C:\xyz\SW_DVD9_Windows_Svr_Std_and_DataCtr_2012_R2_64Bit_German_-3_MLF_X19-53604\sources\install.wim /MountDir:C:\xyz\mount /index:
Dism /Get-ImageInfo /ImageFile:C:\xyz\SW_DVD9_Windows_Svr_Std_and_DataCtr_2012_R2_64Bit_German_-3_MLF_X19-53604\sources\install.wim
Dism /Image:C:\xyz\mount /Get-Features > featurelist.txt
featurelist.txt
Dism /Image:C:\xyz\mount /Enable-Feature /FeatureName:NetFx3serverFeatures
Dism /Image:C:\xyz\mount /Enable-Feature /FeatureName:NetFx3 /Source:C:\xyz\SW_DVD9_Windows_Svr_Std_and_DataCtr_2012_R2_64Bit_German_-3_MLF_X19-53604\sources\sxs
Dism /Unmount-Image /MountDir:C:\xyz\mount /Commit