Internet Explorer connections
Increase the Maximum Number of HTTP Sessions Allowed (All Versions) Internet Explorer To abide by the HTTP specifications Windows limits the number of simultaneous connections that it will make to a single HTTP (web) server. This affects all Windows Internet applications that use the standard API, including Internet Explorer. The behavior can be seen when downloading multiple files from a web site only a certain number (2 or 4) will be active at any one time. Windows will limit connections to a single HTTP 1.0 server to four simultaneous connections. Connections to a single HTTP 1.1 server will be limited to two simultaneous connections. The HTTP 1.1 specification (RFC2068) mandates the two connection limit while the four connection limit for HTTP 1.0 is a self-imposed restriction which coincides with the standard used by a number of popular Web browsers. Open your registry and find the key below. Create two new values, or modify the existing values, called 'MaxConnectionsPerServer' and 'MaxConnectionsPer1_0Server'. Change the values to equal the number of simultaneous requests allowed to a single HTTP server, the default values are 2 and 4 respectively. Restart Windows for the change to take effect. Note: By changing these settings you are causing Windows to break the HTTP protocol specification for any Internet applications running on your machine.
(Default) REG_SZ (value not set) MaxConnectionsPerServer REG_DWORD 0x00000005 (5) MaxConnectionsPer1_0Server REG_DWORD 0x00000005 (5) HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\... Registry Settings User Key: [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\ Internet Settings] Value Name: MaxConnectionsPerServer, MaxConnectionsPer1_0Server Data Type: REG_DWORD (DWORD Value) Value Data: Number of Simultaneous Connections
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