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  • Re: Error 500.13 (Server too busy) with many sites on one machine

    Sep 07, 2007 08:15 AM||LINK

    You may have found your limit for the number of sites per box.  This varies depending on the load on the sites and the hardware, but you will hit this at some point on every system.  More RAM can help, but eventually you need another box.

    Hosters range from a few dozen sites on a box to hundreds, but it depends on loads.  A place like WebHost4Life will run 500+ sites on a box, but they are primarily unused most of the time.

    You might be able to alter some of your app functions to help, but you have less possibilities with ASP Classic than a .NET app.  Changing caching times might help, using a caching proxy or load balancer that caches might help, but you may find it easier and less costly to add another box.  For tuning information, check the IIS 6 Resource Kit, available online in the downloads section.


    Have you Binged a solution before posting?