Exchange Server 2010 Design & Hardware Requirement for 1500 mailboxes

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Stanley Ng

Hi all,

I have a Exchange Deployment Scenario where customer(from HQ office) would like to migrate from Exchange Server 2003 to Exchange Server 2010. This round, they would like to extend their current Exchange environment to serve their subsidiary office.

Each of subsidiary office have their own external domain name and the total size for this deployment could up to 1500 mailboxes.

We are look at 3 deployment model and requirement must have (High Availability), Archiving and Retention.
Exchange Server 2010 (2 servers) + 1 Hardware Load Balancer Exchange Server 2010 (4 servers) all use Microsoft Solution Exchange Server 2010 which use Virtualization

We are looking at latest processor with 16GB of RAM in each box.

Please suggest a workable model and spec. Please share

Thank You.

Stan
 
C

Christian Weihs

Hi Stanley,

That are not enough data for good suggestion - how many mailboxes in the HQ,
how many clients, mailbox size, availabilty, mailtraffic per user...

Best would be to read this and to start a sizing yourself first:
http://msexchangeteam.com/archive/2009/11/09/453117.aspx

Also the big vendors have good tools:
http://h20338.www2.hp.com/ActiveAnswers/us/en/sizers/microsoft-exchange-server-2010.html
http://www.dell.com/content/topics/...s/messaging/en/exchange_2010?c=us&l=en&cs=555
Best regards
Christian
 
P

Pantherfan

you can also do some kind of hybridization, we did something similar with a 2000 user migration and ended up with 2 servers (cas/ht) virtual, 2 servers physical (mbox servers in dag). The mbox servers have 72gb ram, while the cas servers have 16 each. We allow each user to have 2gb of " active" mail, and 5gb of " online archive" mail.

Use the exchange 2010 sizer, you need to know what kind of mail users you have (high traffic, lots of attachments, low traffic simple plain text, etc), the number iops you will have to support, and build a solution to meet those performance needs.
 
S

Stanley Ng

you can also do some kind of hybridization, we did something similar with a 2000 user migration and ended up with 2 servers (cas/ht) virtual, 2 servers physical (mbox servers in dag). The mbox servers have 72gb ram, while the cas servers have 16 each. We allow each user to have 2gb of " active" mail, and 5gb of " online archive" mail.
I am consider to build such a way compare to 2 Exchange Server+ Hardware Load Balancer. However, I am lack of info or experience to migrate to this design. If you have documentation or info, kindly PM at jianming80@hotmail.comStan
 
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