Where Is Machine.Config?

32-bit

%windir%\Microsoft.NET\Framework\[version]\config\machine.config

64-bit

%windir%\Microsoft.NET\Framework64\[version]\config\machine.config 

[version] should be equal to v1.0.3705v1.1.4322v2.0.50727 or v4.0.30319.

v3.0 and v3.5 just contain additional assemblies to v2.0.50727 so there should be no config\machine.configv4.5.x and v4.6.x are stored inside v4.0.30319.

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