Hi, I'm completely new to Exchange (a fact that will probably become very clear) and I'm after a bit of advice regarding the spec of the new Exchange server. My company has 10 staff at present, and we would like a bit of headroom on our server to enable us to support at least 100 Exchange users. Being a small company, I would expect a single server should be all we need for the forseeable future. The basic hardware spec that I put together is this: Dell PowerEdge R510 - 2x Intel Xeon E5620, 4C, 2.40GHz, 8GB RAM, 2x 500GB SAS 6Gbps HDDs (RAID1, for O/S), 3x 2TB SAS 6Gbps HDDs (RAID5, for Exchange storage), Windows Server 2008 Std x64. Dell have advised me that this hardware shpuld support my requirements OK. I'd appreciate any second (third, etc) opinions. I have an existing domain controller that runs our internal AD. I believe that the Exchange install makes certain changes to the domain settings... Is this anything that should worry me? (We currently don't have a secondary/backup domain controller.) Would anyone care to offer any advice or gotchas to be aware of before I go any further? Many thanks!

Hi, The DC is on Windows Server 2003. :)