What is the maximum memory that an IIS6 web site/app pool can use?

Posted by Robin M on Server Fault See other posts from Server Fault or by Robin M
Published on 2009-05-05T14:22:16Z Indexed on 2012/04/08 23:33 UTC
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windows-server-2003

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iis

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Performance

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memory

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debug

I have an IIS 6 server running on Windows 2003 SP2 x86. The server has 4GB of RAM and runs consistently with 2GB allocated.

I realise that with x86, the server won't utilize all of the 4GB RAM and the application space is also limited but the IIS processes seem to be limited elsewhere. w3wp.exe never has more than 500MB allocated and I occasionally get OutOfMemory exceptions from a busy .NET application (there are several applications running, each with a separate application pool).

What is the maximum memory that an IIS6 web site/app pool can use?

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