We have the following setup:
1 Exchange 2007 server running with the CAS/Hub Transport Roles
2 Exchange 2010 servers running the Mailbox roles in a CCR cluster
1 Exchange 2010 server running CAS/Hub Transport and Mailbox Roles (this is purely used to link us to Office 365)
We're recently installed Exchange 2013 SP1 onto a new server. CAS/Mailbox roles installed.
Goal is to keep the Hybrid Office 365 environment but move everything on-premise onto the Exchange 2013 server and remove the 2007 and 2010 servers.
Now I've tried to migrate a couple of mailboxes onto the new exchange server, which works fine. I can login to the Web App and send and receive mail on these accounts.
However the problem is configuring Outlook. I usually try setting up the Outlook profile manually and entering the server name and the username manually. This all works OK but when trying to open Outlook I get this error:
"Cannot start Microsoft Outlook. Cannot open the Outlook window. The set of folders cannot be opened. The attempt to log on to the Microsoft Exchange has failed."