Upgrading Exchange 5.5 to Exchange 2000 (In-place upgrade)
I would like to get confirmation that i can do the following to upgrade my Exchange 5.5 to 2000 in a Unity UM environment (based on Cisco's instruction).
1) In Add/Remove - Uninstall Unity Configuration.
2) Perform an In-Place Upgrade from 5.5 to Exchange 2000 on the off-box Email server.
3) Rerun Unity setup on Unity to reattach to Exchange 2000. All accounts should match since the alias names are the same in the Exchange 2000 server.
My concern: Since Unity adds a few RAW level attributes onto Exchange 5.5 user objects, would there be problems preventing the upgrade to Exchange 2000? (or would it just ignores those attributes and upgrade it?)
Re: Upgrading Exchange 5.5 to Exchange 2000 (In-place upgrade)
As long are you are using the Microsoft Active Directory Connector (ADC) to do the upgrade you should be fine. We run a program called the syncher at the end of configuration setup which re-adds all of the necessary data from the local SQL store into AD.
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