I have a web application that is split into two zones: the Default zone and the Intranet zone.
The Default zone uses standard NTLM authentication. The Intranet zone was converted to FBA, but now I've switched it back to NTLM. For some reason when I access the Default zone I have no problems, however accessing the Intranet zone with the same user gives me the SP Access Denied page.
The web.config files are identical for the membership providers, roleManager providers, and everything else in the system.web section except for identity impersonation on the Intranet zone (but even turning off impersonation on the Intranet zone so they have the same settings doesn't change the fact). The people picker wildcards are the same.
The Authentication Providers configuration settings in Central Administration are the same (Integrated Windows Authentication: NTLM, Default Sign In Page).
What am I missing? The login works fine on the Default zone, and I am getting to the Intranet zone because I'm seeing the default SharePoint "Error: Access Denied" page, but I
can't login continually get denied permissions on the Intranet zone...