Installing Exch2010

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Dear All,

My exisiting excha org is FE and BE exch2003 now we have two new rack server with 32gb ram and huge storage capacity. My requirement is which roles has to be installed on

Mailbox/CAS/Unified on a single server and EDGE/HUB on other server is sufficient

Aanother question is i have 3 sites i want to have all those user mailboxes to be reside in new exchange org how can i do this with 2 new servers


God Blessings.!


Neil Hobson

If you want to deploy the Edge Transport role, note that it cannot coexist with any other Exchange role so it must have its own server. That leaves you with Mailbox/CAS/HT and UM all on the same server. It's generally recommended to locate the UM role on a separate server but you can technically have them all on the same server - just watch for performance issues.

Regarding the sites, I'm not sure exactly what you mean by "site" - whether it's physical or Active Directory sites you're talking about. Either way, there is no problem with having users connect to a centralised Exchange server but you might want to explain your topology a bit more.

Neil Hobson | Principal Consultant | Silversands | |


Dear Neil

Thanks for your Info what i understand is Edge role must be installed in single server and rest roles mailbox/cas/Um/Hub to be on second server is it correct please

Regarding the sites i will post the details but first i have to start please


God Blessings....!


Neil Hobson

That's correct. But I will take an extract from an official Microsoft document so that you don't doubt me. :)

Taken from this link :

"The Edge Transport server role can't coexist on the same computer with any other server role"

Think about it : the Edge is deployed in your perimeter network and doesn't have access to Active Directory. You don't want that configuration coexisting with a role that is in your internal network and does require acces to Active Directory! Useful reading :

Neil Hobson | Principal Consultant | Silversands | |
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