The par défaut connection timeout in IIS7 is 2 minutes. Cliquez sur votre web site in IIS Mgr, click Advanced Settings, et expand Connection Limits. The Connection Timeout (Seconds) setting is what governs this. If IIS ne receive activity on a connection for this duration alors it will time le connection out. Ceci est regardless of si ou pas le 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 par défaut in IIS.
Vous pouvez aussi set it for le site in le applicationHost.config file using le <limits> et le connectionTimeout attribute.
<limits connectionTimeout="00:02:00" />
Cela va définissez le timeout value to 2 minutes.