Migrating to a new Active Directory forest
Our review of all the recommendations and best practices in this chapter builds up to this opportunity to discuss and review migrating to a new Active Directory forest (called an interforest migration).
Before we get started, let’s quickly address a question that I hear often to this day: What’s the difference between interforest and intraforest migrations? For most organizations, a recent merger or acquisition is involved that requires restructuring Active Directory Domains within a forest or multiple forests, though it could just be simply to clean up a dysfunctional Active Directory design. For additional details on restructuring, be sure to review the following article: https://learn.microsoft.com/previous-versions/windows/it-pro/windows-server-2003/cc755720(v=ws.10)?redirectedfrom=MSDN.
Let’s look at the following table to review the differences between the two options: