Similar to this question, but what I want is a check in / out feature that is built in to Windows File Sharing. The server it would run on is a Windows SBS 2011 server, and the clients will all be Vista or 7. Microsoft Office is a small set of files that they need access to, but that is not the main concern
closed as off topic by EEAA, John Gardeniers, Michael Hampton♦, Ward, Scott Pack Sep 25 '12 at 0:22
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There isn't any check in/check out feature of the File Server role that I'm aware of but Sharepoint in SBS 2011 has that feature. You would need to migrate your documents to a Sharepoint Document Library in order to to make use of it.
I'm not positive but this Sharepoint capability might be limited to Microsoft Office documents.