I am in the process of setting up an Exchange 2013 server for one of our clients, however I have run into an issue.
I changed various virtual directories in ECP so instead of pointing at the local server path, it pointed to the url that matches the certificate. Upon doing so, I can no longer log into OWA or ECP. I get the FBA login page, and if I type in the WRONG credentials I get a "invalid login" error as you would expect. If I get the CORRECT credentials I get forwarded to https://servername/owa/auth.owa which just displays a white page.
I have reverted these virtual directory settings back to their defaults but the problem still persists. I tried various articles including this :https://support.microsoft.com/en-us/kb/2778897 with no joy.