We have a small network with about 200 users running Windows 2000 with AD and Exchange 5.5. That said, should we upgrade to Exchange 2000 or 2003? I've read some things about them but all I've really gotten is words like "scalability and manageability." What specifics do you know about the differences between the two? Do you think, based on the size of our network, that we really need to upgrade?
If you are running Exchange 5.5 today, I would encourage you to migrate to Exchange 2003 and skip Exchange 2000 altogether. That said, I don't know everything about your environment I need to know to definitively say which one would specifically be best for your organization; however, generally, Exchange 2003 is better than Exchange 2000 in many ways, especially when you combine it with Windows 2003 and Outlook 2003. In an organization with 200 users, the combination of the 2003 products will provide you with some great new productivity features and network bandwidth savings, as well as other benefits that reduce TCO.
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