Scenario: I have two web applications A and B. A integrates application B in itself via iframe. Application A authenticates a user from B and maintains auth token in a session variable. Now, when application B is rendered on iframe on A and a login page appears, I submit the form and redirect to login but session becomes null. Remember Application A creates a session before redirecting to Login page.
This issue appears in case of IE11 only and when I set its privacy settings -> always allow session cookies on it works.... strange! isn't it.
Check override automatic cookies and then check Always allow session cookies in IE11 and its works fine. However, the same thing works in IE10 without any issue. Any help regarding this.I am already looking into other questions with following links
IE11 does not send session cookie when a link targeting a new tab is clicked (on first request)
IE 11 first-party session cookies being lost in iframe
Does ie11 ignore cookies from site that uses the server's ip as domain?
IE11 does not send session cookie when a link targeting a new tab is clicked (on first request)