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DAG Setup Questions Exchange 2010

Hi,

I have a DAG setup spread over two physical sites and broken up with two AD sites, connected via MPLS. The witness server is located with the DR server in the other location. Last night we did a test of the fail-over capability and it did not work.

I am just wondering if I am missing something, here is my scenario:

Primary Site

Exchange Server 1 - All Roles except Edge Transport and 4 Mounted DB's with 1 Public Folder DB

Secondary Site:

Exchange Server 2 - All Roles except Edge Transport and 4 Healthy Copies with 1 unmounted Public Folder DB

In my test I shutdown Exchange Server 1 and waited about 10 minutes and tried to open my Outlook Client but it could not find a server. I thought the fail over would be automatic but maybe it is not.
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James H
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Thank you, I am not load balancing the CAS role. I did not setup a CASArray as I incorrectly assumed Auto-Discover ran each time my OL client started and would direct me to whatever CAS responded.

I guess in order to work as I want this to, I need to setup a CASArray between the two servers. I am ok with anything that requires manual intervention since I just have to document what needs to be done. But I certainly do not want to have to touch every client in a disaster scenario.