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OWA 2000 and Exchange 5.5

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Is it possible to install an Exchange 2000/Win2K server and run OWA with the 2000 additional security and functionality and connect to Exchage 5.5 servers across multiple locations and domains?

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by tony.colgrove

Because of the way OWA2000 is designed it will only work against Exchange 2000 mailboxes. OWA2k cannot access mailboxes on Ex5.5. The reverse works though. OWA5.5 can access Ex5.5 or Ex2K mailboxes. Their are references in the Exchange 2000 OWA White Paper about this fact.

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