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I have created 3 websites on DNN 5.2 with 3 different portals. 2 of the websites are working properly with sessions. But the 3rd website is not killing the session after Log out. After logging out when I again log in into the website I found value in Session which is created before logging out.I tried to put Session.clear and Session.Abandon() function on Logoff.ascx page,but it is not working.