Exchange Hosting Provider

Hi, we are looking to implement Exchange Hosting at our company as we are a IT Managed Services Provider so other companies can come to us for Exchange hosting
We are not sure what type of hardware we should invest in for a min. to get us started
Physical, Virtual? what type of SAN, scalability, redundancy...

any thoughts advise would be great
nutekconsultantsAsked:
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Gary ColtharpSr. Systems EngineerCommented:
Exchange is a database intensive app and doesnt run well virtualized. Use a hard server. As for storage, databases again dont run well across SAN's unless the hardware is fibre channel with high speed fibre, very costly.

Disks are comparatively cheap, build a hard server with a highly fault tolerant RAID array for storage... I am assuming you dont already have a customer base, so scale it up as your customer base increases.
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Jessie Gill, CISSPTechnical ArchitectCommented:

What I would do is this without knowing anything about your requirements

2 CAS Servers VM
2 HUB Servers vm
2 MAILBOX SERVERS PHYSICAL MINIMUM. with direct attached storage in a DAG.

Answering this question is a little hard since we don't have any expected mailbox loads from you.  Here is a tool that you can use to to do some different scenarios.  You can put lots of different loads and figure out what you think is best.

http://blogs.technet.com/b/exchange/archive/2010/01/22/updates-to-the-exchange-2010-mailbox-server-role-requirements-calculator.aspx
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