Migrated from Exchange 2007 to Exchange 2013. We have an SSL cert that has the AD name of the server, as well as the URL for internal/external connection.
OWA, Activesync work fine and Outlook 2007 clients can connect.
Outlook 2010 clients prompt for the password indefinitely.
Doing the Test Email Autoconfiguration, nothing stands out as obviously wrong.
What are the next steps to troubleshoot this?