Doesn't seems to be working for me. I'm getting an error converting from Core to any on the GUI options.
Install-WindowsFeature : The request to add or remove features on the specified server failed. Installation of one or more roles, role services, or features failed. The source files could not be downloaded. Use the "source" option to specify the location of the files that are required to restore the feature. For more information on specifying a source location,see hxxp://go .microsoft .com/fwlink/?LinkId=243077. Error: 0x800f0906