How to run number of simultaneous downloads efficiently from websites in IE 7.

March 2, 2008 · Posted in Browsers, Tips & Tricks, windows 

Internet Explorer, even in its latest avatar, has the ability to run just two simultaneous downloads. Waiting for one file to download before starting the other can be quite annoying, especially when you want to download  several files from a particular website. Also, downloading several files one-by-one is also an inefficient way to work.
There are two registry values to change the number of simultaneous download.  First start the registry editor and naviate your way to the ‘HKEY_CURRENT_USER\Software|Microsoft\Windows\Current Version\Internet Settings’ key. Now look for the DWORD value’MaxConnectionsPer1_0 Server’on the right hand side of the window. If this key is not present, create it with ‘Edit|New|DWORD value’. Double-click  on it to edit it. Enter the maximum number o parallel downloads you want- ‘8’ for instance- and confirm with ‘OK’. In the same way, also check DWORD value ‘MaxConnections PerServer’ in the same key and change it to a higher value. Close the registry and restart the browser.
NOTE:Adjusting both these values is essential since they individually limit the number of paralle links for the HTTP1.0 and HTTP1.1 protocols. This obviously does not increase the downloading speed but it makes more efficient use of your exisiting bandwidth by running a greater number of downloads in parallel.

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