Some library features are unavailable

I've searched high and low for a resolution to this problem but I'm coming up zip. I'd like to enable Windows 8 to index my shared pictures, documents, music and other folders. Apparently indexing is disabled for these folders because they are mounted as network drives, however, there is no option to enable indexing.

What is the fix for this? This was not a big problem in Windows 7 but in Windows 8 it leaves out many features.

Kris