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by admin

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I am trying to add two Exchange Server to our network. The current server will stay as is but we will add a second server to another domain for redundancy perposes. The second server will act as a backup. I need to know if this can be done and how will it affect the clients. We are using Exchange 5.5 server with Outlook 98/2000 as the clients.

5 replies

by rcc

Not clear. For redundancy, you should look at an active-active or active-passive clustering solution. If you will be kind to describe in detail your setup and what you want to achieve, I'll be happy to assist yo further. If I understand right what you want to do, you will have to manualy change the setting on Outlook for each client if your main server goes down, in order to point to the "back-up".
Regards,
Radu

by nettek

What you would like to do is called clustering. This cannot be done with standard 5.5; you need two Exchange 5.5 Enterprise servers, or Exchange 2000. Another downside is that you cannot upgrade a standard 5.5 server to enterprise 5.5. A fresh install is required. You also must keep in mind that if the other domain crosses a WAN link, you'll need a pretty hefty WAN speed. Have you considered simply mirroring or duplexing your present Exchange server as an alternative?

Check out the following link for more information:
www.microsoft.com/technet/exchange/cltips.asp
(there should be no spaces in this URL)

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