XHR requests fail when an ADFS authenticated session expires
问题 We have a site which relies on federated authentication using Active Directory Federation Services (ADFS) and WSFederationAuthenticationModule. The site also employs a set of XHR requests fired upon user interaction. One particular example is a drop-down menu which allows the user to impersonate other users. Another one is the faceting functionality on a site-wide search page. The problem is that the session expires when a user stays inactive on a page for certain amount of time. In normal