CAS array in exchange 2003 and exchange 2010 coexsit environment

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S

Sam_33



I just add exchange 2010 CAS and mail server into exchange 2003 organization. everything is work. I would like to install 2nd CAS for HA. I wonder when i finished the setup of client access array between two CAS server, is it MUST configure following items apart from modify all database (Set-MailboxDatabase DB1 - RPCClientAccessServer )

Autodiscover : /Autodiscover
Exchange Control Panel : /ECP
Exchange Active Sync. : /Microsoft-Server-ActiveSync
Offline Address Book: /OAB
Exchange Web Services : /EWS

any impact if no do that ?
 
J

Jelly Roll



Sam,

Once you have the CAS array built you can assign it to each Mailbox Database in your site that the array is in. As a side note that if you are using NLB and you also have the Mailbox Server role loaded on the same box you will not be able to use a DAG group.

DAG groups require Windows Failover Clustering which cannot be installed on a box that has NLB or vice a versa.

To answer your main question once you have the CAS configured you can individual configure settings on the virtual directories either through the Exchange Management Console or Shell.

I hope this helps...

Regards....
 
S

Sam_33



I wonder if the Mailbox servers existed before the creation of the CAS array, is it necessary to re-configure below virtural directory ?
Autodiscover : /Autodiscover
Exchange Control Panel : /ECP
Exchange Active Sync. : /Microsoft-Server-ActiveSync
Offline Address Book: /OAB
Exchange Web Services : /EWS
 
J

Jelly Roll



Sam,

If you had a server with the CAS role already loaded just install the second one and configure either a software or hardware load balancer. Once that is done create the CAS array and asign the array to each mailbox database in the site.

You will still see two CAS servers in the EMC to manage so there is no reconfiguring beside the external URL settings to the CAS array name etc.... This can all be done in the EMC.

Hope this helps...

Regards...
 
A

Allen Song



Hi,

There is no necessary to configure the virtual directory based on the CAS array URL. Since autodiscover has the failover feature for the relevant services.

Thanks

Allen
Allen Song
 
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