We are facing one issue with the internet facing MOSS site. It has anonymous authentication for root site collection and rest site collections are with their own security model.
We have some document libraries in site collection having security integrated with AD. When any logged in user clicks on any of the office document from library, user gets authentication popup. He has to provide credentials again to open that
library even though he is logged in to portal.
Is there any way to avoid this pop up?
We have tried with below options