Windows Server 2012 with Microsoft Exchange Server 2013 Installed:
ECP is not functional since the CU2 implementation last night. The OWA is functional, and mail-flow has been verified, but the ECP is not loading from the web-login. I spent from 8PM until after 2AM working on the ECP function, with No Luck.
The ECP shows the login page, but then throws an HTTP 400 Error when you try to authenticate in.
When tested directly from the Exchange Server itself, you can get to https://localhost:444/ecp - but this takes you directly to theUser’s mailbox Options menu instead of going to Server Admin menus like ECP is supposed to.
I am at an utter loss. While the mail-flow is functional, the admin of the Exchange is absolutely crippled until further notice.
CAS and Mailbox Roles are installed properly.