I just recently came back from New York attending an E14 Ignite training. I wanted to post some comments on what I saw (that hopefully do not break any NDA rules). Here goes:
1. There is an even heavier reliance on the CAS server role than before. This means that all mailbox communication regardless of client with pass through the CAS server….that even includes Outlook over MAPI. It was news to me too .
2. Microsoft’s new HA/FT feature is called DAG or "Database Availability Group". This has some promise and worked swimmingly in the labs we performed. You can see more about this here:
I’ll be setting up a lab environment in the near future to really wring out the beta product and report back on things I’ve found that work, don’t work, or are just plain silly.