will add complexity to your environment, and that may become counter-
productive. You would typically be interested in this approach in several
environments:
Offering fully separated and relatively small Microsoft Exchange
infrastructures from a reduced server hardware environment.
Testing and lab environments: The use of virtual machines enables you
to build a realistic environment that can reproduce the conditions in
which you will perform a migration or run a business application.
The challenge with virtual machines and Microsoft Exchange is that the
I/O path is actually performed twice: once at the host operating system ...
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