Where is the .NET Framework Global Assembly Cache?

Yes, there are two distinct GACs as from .NET 4.0

See here: .NET 4.0 has a new GAC, why?

As stated below, the new physical location is %windir%\Microsoft.NET\assembly\ (you can interogate it using the dir command at a command prompt if you’re interested).

It’s worth noting that applications running up to the 2.0 CLR will not even be able to see assemblies in the new GAC.

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