How to publish OWA for child domains from one Exchange 2k3 server ??????

Hi all,
We have 50 child domains with Exchange 2k3 as mail server for each domain. We connect all Exchange server from child domains into one Exchange 2k3 as a bridge.
Domain uses windows 2k3 and built in forest model.
Now we have a connection from bridge server to internet and built an owa website for everyone can check mail from internet. Web site is
We want people from child domain can check email by How we do to get it ?.
Thank you for support.
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SembeeConnect With a Mentor Commented:
Are you saying that you have 50 Exchange servers?
If so, then you will need at least one, and probably a few frontend servers. Then Exchange will sort out the rest.

There is a good white paper on the frontend/backend topology at

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