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Enable OWA on only one of two exchange 2003 servers

Posted on 2004-09-21
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We have two 2003 Exchange servers running on 2000 Domain in native mode.

Previously we ran 5.5 exch on two servers and only one had OWA enabled. With this previous setup everyone in the organisation could access the OWA feature, even those who had a mailbox stored on the server without OWA enabled.

Since our recent upgrade to Exchange 2003 the OWA works for mailboxes that are stored on one mail server but only on the other by automatically redirecting the url. This is frustrating as 5.5 OWA could resolve mailboxes on either server whilst only being installed on one.

We have seen an option that requires an Exchange front server but this is riddiculous as this means purchasing another license / hardware etc.

Anyone else had this trouble before???
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Question by:Maxitrans
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Sembee earned 2000 total points
ID: 12111140
The level of integration between OWA and Exchange is a lot higher than 5.5. If you want users on both mailbox server to use OWA externally then you have two choices. This is highlighted by the fact that you cannot install just OWA on another machine like you could for 5.5 - it requires a full installation.

1. Frontend/Backend scenario. This will allow you to use one URL as the OWA address. This is the prefered way of running OWA for mutiple Exchange servers.
2. Both servers are exposed to the Internet via SSL and there is a different address for both of them. The users will have to know which address they use for their email.

Personally if you are running dual servers this means the site isn't a small one. I would purchase another Exchange 2003 standard license and put it on something like a HP DL140 (cheap 1U server) with Windows 2003 and run it as a frontend server. This will also allow you to run one URL for OWA, making it easier to use SSL and implement RPC over HTTP.

Simon.
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