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Increase the Number of Simultaneous (concurrent) Downloads in Internet Explorer

To comply with current Internet standards, Internet Explorer (Internet Explorer 5.5, Internet Explorer 5.01, Microsoft Internet Explorer 5.0, Microsoft Internet Explorer 6.0, Windows Internet Explorer 7 for Windows XP, Windows Internet Explorer 7 for Windows Server 2003, Windows Internet Explorer 7 for Windows Server 2003 IA64) limits the number of simultaneous downloads (from the same server) to two downloads, plus one queued download. This configuration is a function of the browser. However, as connection speeds increase, and the number of total connections that are allowed to Internet servers increase, the two-connection limit may be restrictive.

To increase the number of simultaneous connections that are allowed to 15, you can either download and run this REG file [1]or follow these steps:

  1. Start Registry Editor (Regedt32.exe).
  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 Value, and then add the following registry values:

    Value name: MaxConnectionsPer1_0Server
    Value data: 15
    Base: DecimalValue Name: MaxConnectionsPerServer
    Value data: 15
    Base: Decimal

  4. Quit Registry Editor.

With either method, you will need to close all open Internet Explorer windows for the changes to take effect