Why does my OWA session time out? View The Full Article Summary: Why does my OWA session time out Solution: As a security measure, Outlook Web Access OWA will automatically disconnect after 15 minutes of inactivity. After 15 minutes of inactivity, when you return to an OWA session, you will need to log back in. There are other circumstances under which you might be disconnected. In Safari, you may periodically need to log in again to access your account. In Internet Explorer, if you try to access a public folder for which you do not have access, you will need to log in again to return to your Inbox.