This link opens the Microsoft Downloads site:
Note the third one listed in the search results (sorted by newest publish date) is the _entire_ Windows Server 2012 R2 and Windows Server 2012 RTM TechNet Library Documentation! It weighs in at a paltry 110MB in PDF form too.
An example of how great it is to have one searchable document is in the search results _within_ the document for the search term "RDMA".
Try searching for Windows Server and RDMA and come up with a Microsoft product focused set of search results on any search engine.
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Third Tier: Enterprise Solutions for Small Business