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Win2k/Exch 2k DC to Exch 2k3...questions - 13.May2004 8:09:00 PM

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From: Columbus, IN
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My organization has toppled the 16GB limit of Exchange 2000 Standard twice now, so we're upgrading the server this weekend. We have four DC's with two being 2k3 Standard servers, the other two are 2k Server. Currently, the mail server has a mucky hard drive setup and I will be replacing it with a RAID 5 array making things much simpler to deal with in the case of a hard drive failure...that is, I will not be upgrading to Server 2k3 and then upgrading Exchange 2k3. I will flatten the filesystem one way or another, there is no getting around that.

The path I was considering to take involves exporting all user mailboxes to .pst files, removing their account's mailbox, uninstalling Exchange 2000, dcpromo'ing the server, then on with the drive re-configuration and installation of Server 2k3 and Exchange 2k3. I do not know if "importing" Exchange 2000 .pst's via exmerge in Exchange 2k3 is possible.

Or...upgrade Exchange 2000 to Exchange 2003 Enterprise in place, back up the Exchange db files, then dcpromo and reinstall/import?

What provisions do I need to take? The whitepaper essentially tells me nothing. What effect will uninstalling Exchange 2000 have on Active Directory? Do I need to remove the user account's mailbox, or is that data safe in my 2003 A.D.? I also understand that I can upgrade my server 2k3 Server and then install Exchange 2000, then upgrade to Exchange 2k3. I would rather have a fresh installation of Exchange 2k3 if at all possible.

Thanks in advance...