troubleshooting Question

Good Exchange infrastructure design

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DLeaverFlag for United Kingdom of Great Britain and Northern Ireland asked on
ExchangeActive DirectoryWindows Server 2008
7 Comments1 Solution608 ViewsLast Modified:
Evening

Just after some clarification on a few points

I look after a Company, around 200 users and growing and they currently have a single Exchange installation (2010, Typical) and they are looking to expand and implement HA for the Exchange.  I probably have at least one physical server I can get out of the budget for now so here is the site layout and my ideas

Idea 1

Site A - Main office - 150 users
Install Physical server and virtualise with VMware

VM1 - CAS and HUB on W2k8 standard R2
VM2 - MBX on Windows 2k8 Enterprise R2
Existing VM (On different Physical host) that is running the Typical Exchange to be a CAS on standard W2k8 standard R2, with NLB enabled on the CAS/HUB (This should be fine as the NLB and WCS are on seperate servers)

Site B - Site office - 50 Users

VM 1 - Typical Exchange on W2K8 Enterprise

Stretched DAG between sites, the offline copy to be kept at Site 2

Idea 2

Site A

Two Physical servers

Physical Server 1
VM 1 - CAS/HUB (W2K8 standard R2)
VM 2 - MBX (W2K8 EntR2)

Physical Server 2
VM 1 - CAS/HUB (W2K8 standard R2)
VM 2 - MBX (W2K8 EntR2)

Load balanced CAS
DAG between MBX

Site B - Site office - 50 Users

VM 1 - Typical Exchange on W2K8 Enterprise

Stretched DAG between sites, the offline copy to be kept at Site 2

The second is if I can get away with the extra physical host, but does this look like a sound solution?.....

Any thoughts appreciated
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xcomiii

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