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cas array

Posted on 2014-04-29
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can we configure cas array across the sites in exchange 2010.
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Question by:a-b-c
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4 Comments
 

Author Comment

by:a-b-c
ID: 40029841
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LVL 8

Expert Comment

by:EEhotline
ID: 40030400
You cannot create a CAS array across multiple AD sites. If you have mailbox servers in different AD sites, you could create multiple cas arrays (one per site)
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Author Comment

by:a-b-c
ID: 40030471
i am designing 03 sites site A, Site B, Site C and i want if site A will get down completely then Site A users will get the connectivity of their emails w.r.t CAs servers from Site B or Site C.

what could be the solution i can provide to client for the same.
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Accepted Solution

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EEhotline earned 1500 total points
ID: 40030529
You will have an issue when the CAS/HUB server goes down. A MBX server can only talk to a CAS/HUB within it's own AD site. i.e. if you are to lose a CAS/HUB, you will be forced to move the active databases in that site, to another MBX server that has an online HUB/CAS or modify the CAS Array for that site in DNS and point it to the closest CAS server Array
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