Re: Design - Exchange Organization

On 29 Nov 2006 00:45:33 -0800, "Fazal" <fazal.shah@xxxxxxxxx> wrote:

I would like to know the key points that I need to consider while
designing Exchange. We have at present around 500 users with around 125
heavy users. 250 light users and rest medium users. We would like to go
in for BE/FE configuration. Also, the design should be able to support
upgrading to Exchange 2007. Your input would be highly appreciated.

Regards,
Fazal-Ur Rehman, Shah

Key points?
Storage. How much storage are you planning giving to the users. Are
you thinking about an archiving solution as well, this would massively
change your fast storage calculations.
Storage. SAN or DAS, whose SAN? That alone gives you lots of options
and permutations.
Backup and more importantly, restores. What SLA will the business
want/need? How business critical will Exchange become and how quickly
(10 or 15 seconds after you install it?)
BlackBerry (or I/O) are any of the users going to be CrackAddicts?
That will push your I/O through the roof and introduce options for
latency. That alone loops you back to storage.
If you have 500 users on the box and some are BB users you must use
Enterprise and spread the users across multiple store and more
importantly multiple disk spindles. It's all about spindles!
Connectivity. What protocols, what devices, what corporate security
infrastructure is already there, what upgrades or modifications?
Hell, I could go on forever but then you need to start paying £1,800
per day ;-)

.

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