If you receive a 403.14 error after installing Chime on Windows Server 2008R2, it may be
related to ASP.NET referencing the .NET 2.0 framework when it needs to reference the
.NET 4.0 framework.
This problem can be solved by updating the script maps. See MSDN ASP.NET IIS Registration Tool for more information
We find that running the following commands in the command prompt on the server clear
this issue quickly.
Note: This may update all applications to .NET 4.0