1.
When
Ø When upgrade is not possible due to bad prior choices
·
Database
Modifications
·
Unsupported
site definitions
Ø When downtime is not tolerable
2.
Why
Ø Cost of downtime is higher than negative
impact from migration
Ø Massive redesign is required to site/data
structures
3.
How
Ø Migrate using 3rd party tools only, no Microsoft supplied
solution.
