I am stuck with this one, and hoping you might be able to help.
If I open OWA, it seems that the page loads, so I can see the log on window, however the title bar on the bottom left of IE flickers between:
(then it disappears, so I don’t get to see the end)
This is shown in the top title bar (no logon attempt made)
If I try to log on, either externally or on IE on the server itself, ie crashes.
I deleted and recreated the web folders and ensured the authentication was by the book.