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Exch2K mailbox replication

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by sxhuli

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We have a client with two office running Exch2K Enterprise servers at each site installed in a Compaq CL380 cluster server. They are looking for a high availability solution where in the event of a disaster at one site, they can all go to the other site and continue accessing their mailboxes in other words, they want to have a real time backup (replication) of their mailboxes to the other sites server and vice versa. I hope this is clear.
Awaiting your replies.

2 replies

by maximk

Unfortunately, individual mailbox replication is not possible.
You can create a stretched cluster. This is a cluster with one node at one site and the other node at the other site. This is very expensive, since you have to buy specialized SAN hardware and software to achieve this. AFAIK, Compaq also has some solution for streched clusters.
Another solution is Marathon Technologies, but I don't have any experience with this. You can find this at http://www.marathontechnologies.com.
As this kind of High Availability technology comes at a fairly high price, you can also advise your customer to have an offsite backup available, including an additional CL380 to perform a system restoration in the case of a disaster... In real life, when you have such a disaster, you DO have some other things on your mind then having your e-mail system up-and-running within 5 minutes!

by sxhuli

Hi. Thx for your reply. I will look at those web sites and come back to you.

I was under the impression from another source that Exchange Server (not in a clustered version) did do some sort of mailbox replication. Is there a cheaper way at all?
Mandeep.

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