What is the IIS7 default time for HTTP keepAlive?

3 Answers 3


The default connection timeout in IIS7 is 2 minutes. Click on your web site in IIS Mgr, click Advanced Settings, and expand Connection Limits. The Connection Timeout (Seconds) setting is what governs this. If IIS doesn't receive activity on a connection for this duration then it will time the connection out. This is regardless of whether or not the connection was requested as a keep-alive. You will, of course, have to have keep-alives enabled for this to be a "keep-alive timeout". Keep-alive is enabled by default in IIS.

You can also set it for the site in the applicationHost.config file using the <limits> and the connectionTimeout attribute.

<limits connectionTimeout="00:02:00" />

This will set the timeout value to 2 minutes.


HTTP KeepAlive is a true/false switch. If HTTP Keepalive is true, it will use the "Connection Timeout" setting (default 120 seconds)


Also you can use this option in your web.config

    <httpRuntime executionTimeout="180" />



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