How do you search on shared drive?

In a small office (about 50 staff members) we have a shared drive on Windows Server 2008 R2. The file server is virtual machine on Hyper-V. The shared drive is mapped to every users account. And the data on that drive gets more and more. And now my goal is to organize a search on that drive. So how can I do that? Will Google Desktop installed in every user’s computer solve the problem? Or is...