I am using EV 11.0 and exchange 2013. When I want to view the archived message in the owa, I need to login everytime. Can I configure to not need to login while viewing the archived message?
are you being prompted when trying to access the search page or when accessing shortcuts? it's normal to be prompted if you're accessing EV Search (or Archive Explorer or old search)
here's a pretty good discussion from a previous post that might help https://www-secure.symantec.com/connect/forums/domainusername-and-password-prompt-ev-search-owa-2010