
The Decision-Making or Presales Phase 387
Unity. See Chapter 7, “Components and Subsystems: Features,” and Chapter 15, “Upgrades
and Migration.”
Finally, ensure that Unity’s other messaging infrastructure dependencies are available for
each location where Unity is installed. The messaging infrastructure dependencies are those
that support the messaging systems that Unity services. This includes domain controllers,
Global Catalog servers (if Unity is connected to Exchange 2000/2003), and name resolution
(Wins/DNS for Exchange 5.5, DNS for Exchange 2000/2003, and Notes Name Resolution
for Domino). If these dependencies are not available, you must ...