OWA redundancy

125 pts.
Tags:
Exchange 2003
Outlook
Outlook Web Access
OWA
OWA redundancy
I am given a task to look into making our OWA Front End to be redundant. Currently, we have one OWA FE and would like to create another one. How do I configure the 2nd OWA for Exchange 2003? The URL for user access should be same for OWA access. Many Thanks in advance.

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Use server clustering on your front end server. This will ensure hardware redudancy.

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Clustering provides high availability, but not redundancy. I think what you want to do is have both servers available for front end OWA services and load balance them instead. Typically you cluster the mailbox backend servers and load balance the front end OWA servers. Here is a <a href=”http://www.petri.co.il/load_balancing_exchange_front_end_servers.htm”>helpful guide</a> for you.
~ technochic

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With any front end web applications, you would want to front it with a load balancer (F5, Radware, etc) and then use a VIP to represent the group IP address configured on the load balancer. This group IP (configured with DNS) and SSL certs will then be redirected to the server configured within the group. Redirection can be done by load, round robin, and various other methods.

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  • Symyuser
    Thanks Mshen for the quick reply. I neglected to add that the 2nd OWA box will be in a remote site. How do I then config the 2nd OWA box in Remote site that will give the same user URL. Help!
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  • mshen
    Oh, a DR failover case. Disaster Recovery projects usually carry extra baggage because anyone who sells it wants to help you install it. Talk to your most trusted systems consultants, the people your company can expect good communication from. For some ideas on what you need, the Inmage website is a good one to start with (its also the first one that pops up in a google search).
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