NHibernate WCF Rest IIS7 Fails with Security Exception

Question

Here is the error:

    System.TypeInitializationException: The type initializer for \'NHibernate.Cfg.Environment\' threw an exception. 

---> System.Secur         


        

Answer 1

http://www.dotnetnuke.com/Community/Forums/tabid/795/forumid/107/threadid/344545/scope/posts/Default.aspx

change the Identity of the app pool from "ApplicationPoolIdentity" to "NetworkService" and give "NetworkService" account "modify" permissons on the file system folder.