This question came up yesterday on a list I read, so I figured it might be of interest out here.
Do you remember the “Setup Shall Install the Clustered Version of Exchange” pop-up in Exchange 2000? This was the pop-up you’d get when installing the binaries for Exchange 2000 onto a server that was joined to an MSCS cluster, and if you ever saw it, this wording probably stuck with you because it sounded a little strange.
Well, have you seen this pop-up in Exchange 2003? Nope. You haven’t. Although, you might still have seen a pop-up. Or you might not have!
In Exchange 2000, you ALWAYS saw this pop-up when you were doing the install into a cluster.
In Exchange 2003, this is changed. Now there are three possibilities:
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