Windows Server 2003, IIS6.
We're trying to deploy a non-MVC ASP.NET web application as a subdirectory of an MVC application.
However the ASP.NET application in the subdirectory is failing with the message "Could not load file or assembly 'System.Web.Mvc, Version=126.96.36.199, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The system cannot find the file specified." which is bizarre because it's not an MVC application.