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Add new CAS Server to existing Client Access Array - Exchange 2010

Posted on 2014-12-03
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Last Modified: 2015-09-20
Hi Team,

I currently have an Exchange 2010 environment. I created a client access array a while back using the "New-ClientAccessArray" command with 2 CAS servers. At this point I have a new 3rd CAS server that I need to add to this array, I don't know if I should run the same command again including the new server name or if there's an update command I could run to add this 3rd server. I don't want to mess anything up since the environment is in production.

Thank you!
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Question by:exTechnology
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Adam Farage earned 500 total points
ID: 40478403
It will automatically be added, as you can only have a single CAS Array in each Active Directory Site (logical site within AD Sites and Services) and if the subnet matches the scope of that site then you are A-OK.

To find out which AD Site this CAS array belongs to you can run the following command:

Get-ClientAccessArray | Select name, Fqdn, Site, {$_.members)

This will show you the information you need before and after, but you can also check the site that is listed there to make sure the proper subnets (geographically) are set within AD Sites and Services.

Just remember that the CAS Array object within Exchange is just logical and is mainly used for the RPC Client Access endpoint within the databases (e.g: Get-MailboxDatabase | Select RpcClientAccessServer). You will still need to add the new CAS to the load balancing solution you have in place.
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Expert Comment

by:landfemail
ID: 40986280
Good evening I do have a similar question. We have 4 cas servers ,1 cas  array with kemp technology
We need to replace 2 old cas servers  therefore I need to install  and add 2 new cas servers

When I will be installing my new cas server, what should I do next?how do I add them in Kemp?
How about ssl certificates?owa? Will it take them automatically from the casarray?
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