IIS allows me to set a MaxConnections value in the configuration. What is unclear (to me anyway) is what that number means exactly, and I can't find a definitive documented answer. Is this the maximum number of clients that connect simultaneously, or is the maximum number of requests that can be running concurrently?

For example, if I have a page that loads up some images, CSS files, scripts and content, each of those could reasonably be on a separate request socket with a modern browser. Is each of those sockets counted against the "max", or is it counted only as 1 since they are all requests from the same client address?


It refers to simultaneous client connects, not requests.

See here: http://www.iis.net/configreference/system.applicationhost/sites/site/limits

There used to be a MaxClientsMessage you could configure in IIS6 but I don't recall if it is still around or not.

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