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Asked: 2026-05-27T22:23:36+00:00

I have set up IIS 7.5 to statically serve some files, and some of

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I have set up IIS 7.5 to statically serve some files, and some of these files are actually symbolic links (created by mklink).

Even if I disabled both kernel and user caching, these files seems to be cached somehow by IIS. And IIS is still serving old versions after the files are modified.

To be sure that it is not caused by ASP.NET, I’ve created a dedicated unmanaged AppPool. I have also checked that these file are not cached by browsers.

My web.config is following:

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
    <system.webServer>
        <directoryBrowse enabled="true" />
        <caching enabled="false" enableKernelCache="false" />
        <urlCompression doStaticCompression="false" doDynamicCompression="false" />
        <staticContent>
            <clientCache cacheControlMode="DisableCache" />
        </staticContent>
    </system.webServer>
</configuration>

There are several people mentioning this problem:

Any hints how to solve this problem?

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1 Answer

  1. Editorial Team

    This problem drove me nuts for like a month a while back. You have to disable IIS caching in the registry, as far as I know this isn’t documented anywhere for IIS 7 but instead is an old IIS 5 trick that still works. You can either turn the below into a .reg file and import it or you can just navigate to the section and add it manually. I recommend rebooting after changing this parameter, I’m not sure if IIS picks it up after just an iisreset.

    Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\InetInfo\Parameters]
"DisableMemoryCache"=dword:1
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