Web interface site fails to load with one of the the following HTTP 500 Exceptions:
System.InvalidCastException: Unable to cast object of type 'System.Web.HttpApplication' to type 'ActiveRoles.Web.Application.Global'.
The file '/ARWebAdmin/default.aspx' has not been pre-compiled, and cannot be requested.
Clear .NET cache files
The temporary files will be recreated automatically upon the next site visit.
Conflicts between the System Center 2016 Operations Manager APM Agent and IIS are a known root cause. To resolve the issue: