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  • Maximum Concurrent Connections - What is the true value?

    Nov 08, 2018 09:07 PM|VincentW|LINK

    Not sure if this should be here in "Performance" or in another section but the I put it here because I'm having a performance problem and I'm considering maximum concurrent connections as a possible culprit.

    Unfortunately I'm not sure what my maximum concurrent connections value actually is because I'm seeing two different values.

    1. In IIS I select my website and click "Advanced Settings" and in the Limits section there is a value called "Maximum Concurrent Connections" and that value is 4,294,967,295.
    2. In Performance Monitor, I add a counter under "Web Service" called "Maximum Connections" and this value is displayed on the graph as 1,138.

    I suspect that these two values actually are two different things, and so I need to know what exactly I'm looking at.

    The reason I'm looking at this is because my website is very busy and just in the last week or so I've been getting complaints that people are seeing the "The service is unavailable" message.  So I just want to rule out the possibility that I'm going over my max connections.