This video is part of TFS 2010 Enterprise installation and Configuration Guide, for more information about the full guide, visit the guide on Codeplex
http://tfs10enterprise.codeplex.com/
For the cases demanding high fidelity migration for work-items, the post TFS 2017 Migration To VSTS with VSTS Sync Migrator describes the migration without any limitations for migrating links, attachments or work items, have a look on the following post:
http://mohamedradwan.com/2017/09/15/t...