Chapter 7. Migration considerations 163
7.1 General migration considerations
A great deal of preparatory work must be accomplished before the migration of
data and user accounts from an existing stand-alone, distributed, or enterprise
environment can commence. Well-planned migrations are more likely to enjoy
success and avoid downtime or a negative effect on user activities. Occasionally,
even the most thoroughly planned migration will partially fail due to the
unexpected discovery of an existing component that was not accounted for
during the planning phase; therefore, it is wise to build a fall-back position into
any planning document in order to restore working production systems when
necessary.
It is not necessarily the case that old and ...