
Migrations 575
• Upgrading or downgrading SQL/MSDE
• Upgrading the Exchange version from 5.5 to 2000
These areas of change and more are covered in the Reconfiguration Guide. The Reconfig-
uration Guide details the steps needed to accomplish the identified change needed.
Migrations
The dictionary defines migration as moving from one place to another. Keeping that
mindset, installing Unity in a customer’s site does not always involve a brand new business
or site, or “Green Field,” the term associated with these types of deployments.
More often than not, Unity is replacing an existing voice-mail solution. It might be
necessary to move subscribers from the ...