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 and Windows Internet Explorer 9 limit 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. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
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.
Exit Registry Editor.
How to configure the connection limit by using Group Policy
Click Start, click Run, type gpedit.msc, and then click OK.
Expand User Configuration, expand Administrative Templates, expand Windows Components, expand Internet Explorer,
expand Security Features, and then expand AJAX.
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.
To comply with current Internet standards (Request for Comments 2068), Internet Explorer limits the number of concurrent downloads to two , 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 available to Internet servers increases, the two-connection limit may be restrictive.