From time to time, customers will call in to report “performance problems” that they are having when copying large files from one location to another. By “performance problems”, they mean that the file isn’t copying as fast as they expect. The most common scenario is copying large SQL databases from server to server, but this could just as easily occur with other file types. More often than not, the customer has tried different methods of copying the file including Windows Explorer, Copy, XCopy & Robocopy - with the same results. So … what’s going on here?