Increase the Network Connection Limit on Windows XP For IIS 5


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Windows XP Professional runs IIS version 5.1, which comes with a 10 connection limit. Often that's not enough when you are testing a site from multiple browsers (or multiple locations). You can easily increase the limit to the hardcoded maximum: 40 connections. 

Make a command prompt window (Click---> start) -----> (Click ---> run) , (Type : ----> cmd.exe) and issue these commands.
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cd \inetpub\adminscripts
cscript adsutil.vbs set w3svc/MaxConnections 40
iisreset
The first command connects you to the adminscripts folder. The second command runs a script that sets the MaxConnections value in the IIS metabase to 40 (the maximum allowed). The third command (iisreset) shuts down and then restarts IIS.