ASP.NET session state and multiple worker processes

Question

I need to understand something about ASP.NET session state, as it applies to IIS 7 and ASP.net 3.5.

If an application is configured to use in-process session state,

Answer 1

More than one worker process is a "web garden." In-process session state will not work correctly. You'll need to use either a single worker process for your web app, or use a session state server, or SQL Server for session state.