How to Increase Simultaneous Downloads in Internet Explorer

By default, Windows Internet Explorer 7 and earlier versions limit the number of files that you can download at one time to two.

Windows Internet Explorer 8 limits the number of files that you can download at one time to six.  This change reflects the faster connection speeds that are now typical for most users. For dial-up connections, the limits from earlier versions still apply.

This article helps you increase the number of files that you can download at one time to 10.

Important

This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs.

Internet Explorer 7

To increase the number of files that you can download at one time to 10, follow these steps:

  1. Start Registry Editor.
  2. Locate the following key in the registry:
    HKEY_CURRENT_USER\
    Software\
    Microsoft\
    Windows\
    CurrentVersion\
    Internet Settings
  3. On the Edit menu, point to New, click DWORD (32-bit) Value, and then add the following registry values:
    Value name: MaxConnectionsPer1_0Server
    Value data: 10
    Base: Decimal
    Value Name: MaxConnectionsPerServer
    Value data: 10
    Base: Decimal
  4. Exit Registry Editor.

Internet Explorer 8 and 9

How to configure the connection limit by modifying a registry key

  1. Start Registry Editor.
  2. Locate the following key in the registry:
    HKEY_LOCAL_MACHINE\
    SOFTWARE\
    Microsoft\
    Internet Explorer\
    MAIN\
    FeatureControl\
    FEATURE_MAXCONNECTIONSPERSERVER
  3. On the Edit menu, point to New, click DWORD Value, and then add the following registry values:
    Value name: iexplore.exe
    Value data: 10
    Base: Decimal

    Note set this value to the connection limit that you want for HTTP 1.1 connections. By setting the value to 10, you increase the connection limit to 10.

  4. Locate and then click the following registry subkey:
    HKEY_LOCAL_MACHINE\
    SOFTWARE\
    Microsoft\
    Internet Explorer\
    MAIN\
    FeatureControl\
    FEATURE_MAXCONNECTIONSPER1_0SERVER
  5. On the Edit menu, point to New, click DWORD Value, and then add the following registry values:
    Value name: iexplore.exe
    Value data: 10
    Base: Decimal

    Note set this value to the connection limit that you want for HTTP 1.1 connections. By setting the value to 10, you increase the connection limit to 10.

  6. Exit Registry Editor.

How to configure the connection limit by using Group Policy

  1. Click Start, click Run, type gpedit.msc, and then click OK.
  2. Expand User Configuration, expand Administrative Templates, expand Windows Components, expand Internet Explorer, expand Security Features, and then expand AJAX.
  3. Set the Maximum number of connections per server (HTTP 1.0) and Maximum number of connections per server (HTTP 1.1) options to the settings that you want. You must update policies or restart the computer to apply these changes.
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Published in: on January 28, 2010 at 3:58 pm  Comments (10)  

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10 CommentsLeave a comment

  1. Hi there, just became aware of your blog through Google, and found that it is truly informative. I am gonna watch out for brussels. I will appreciate if you continue this in future. A lot of people will be benefited from your writing. Cheers!

  2. Hi! Thank u for a very fresh idea. I am wondering why i have never though of this as well. I will definately try to use your blog for getting some more fresh info!

    Thanks!

  3. I just downloaded IE8 from Microsoft and went in to:
    HKEY_LOCAL_MACHINE\
    SOFTWARE\
    Microsoft\
    Internet Explorer\
    MAIN\
    FeatureControl\

    However it does not have a folder for “FEATURE_MAXCONNECTIONSPERSERVER” or “FEATURE_MAXCONNECTIONSPER1_0SERVER”

    Do you happen to know why? Am I missing something here?

    Thanks

    • I’ve already upgraded to IE9, so I can’t verify for you regarding IE8. However, if the key is missing, you can add it yourself. Go to RegEdit, Edit Menu, New, DWORD, add the missing key and value.

  4. I don’t even know how I ended up here, but I thought this post was great. I don’t know who you are but certainly you’re going to a famous blogger if you aren’t already 😉 Cheers!

  5. I really value your work , Great post.

  6. Good Article

  7. Good Article

  8. Very cool stuff you’ve got to read

  9. Good article. Thank you.


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