How to Disable the ASP.NET v4.0 Extensionless URL feature on IIS 6.0

You can disable the v4.0 ASP.NET extensionless URL feature on IIS6 by setting a DWORD at HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ASP.NET\4.0.30319.0\EnableExtensionlessUrls = 0.  After changing the value, you will need to restart IIS in order for us to pick up the change, because it is only read once when IIS starts.  Note that for Wow64 (i.e., 32-bit worker process running on 64-bit…

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