The decision to migrate is never an easy one. There is inherent risk associated with the task, and there are several drawbacks that can make a migration effort appear to be unattractive when you first consider one, including the following:
The benefits of a migration project, both tangible and intangible, are only achievable and measurable after the migration of the IT infrastructure is complete.
The costs to the organization in terms of productivity and monetary expenditures can be significant.
As a result of a migration effort, there is always a chance that people could lose their jobs.
Consequently, the undertaking must be clearly justified by the business benefits it yields. These ...