The SessionStateTempDataProvider requires SessionState to be enabled

Question

My hybrid (web forms/MVC) project is working fine in my local development environment BUT when I deploy (xcopy) to my Test environment I get the error that SessionState is n

Answer 1

Add the following entry to system.webServer/handlers

Change path="*.mvc" to whatever extension/path you are using.

Using runAllManagedModulesForAllRequests="true" is not a very good solution because all modules will run for every request, including static files, which can be bad for performance.