I'm trying to configure OWA for Exchange 2007 SP1 and am having issues with no images being displayed when I connect.
When I go to test the connection to the physical directory, it authenticates, but it will not authorize and I get the following error:
The server is configured to use pass-through authentication with a built-in account to access the specified physical path. However, IIS Manager cannot verify whether the built-in account has access. Make sure that the application pool identity has Read access to the physical path. If this server is joined to a domain, and the application pool identity is NetworkService or LocalSystem, verify that <domain>\<computer_name>$ has Read access to the physical path. Then test these settings again.
I specifically gave the computername$ read access to the physical path, but I keep getting these errors. I can connect as any other user (since I gave "Everybody" read access) but not with pass-through identification. I also gave "NetworkService" and "LocalSystem" read access to the physical path.
The application pool identity that is authenticating (and I assume is the same thing that won't authorize) is: