Re: Exchange Clusters

As Susan already said, clusters are expensive in both setting up and maintaining. Geographically spread clusters are even more expensive.
If you really require very high availability (and ready to pay for that) you can take clustering route.

Exchange 2007 will ease the pain some what with Local Continuous Replication (LCR) and Cluster Continuous Replication (CCR).

In any case I would suggest establishing single data center with reliable hardware and redundant Internet connectivity and setting up users with Outlook in cached mode. This will allow then to use Exchange no matter where they are, reduce admin overhead and allow access at least to older messages (with cached mode).

Jason wrote:
Good Day All,
The company I am with has offices in Toronto, Ontario and in
Halifax, NS. I am looking for a solution that would allow our users
to connect to a local exchange server (and sql server for that matter)
regardless of which office they are in. So if user A in Toronto
connects to an exchange server, that user will connect to the server
in Toronto whereas if User B in Halifax connects to an exchange server
they will connect to the server in Halifax. If user a comes to
Halifax for any reason, when they connect to exchange I want the
connection for them to go to the halifax server without them having to
change anything. This all being the case, I need to have both servers
be identical or as near to identical as possible given internet
latency. Is clustering what I want here? Is this even possible?
Would one server receive mail always and then replicate to the other?
Would this allow for failover if one of the servers die? Is there a
good book I can read on this?

Thank you for any help
Jason.

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Thank you very much!
.

Relevant Pages

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