1.1.3 Migrating Windows Server Roles

Migration is the recommended method of moving from an older version of Windows Server to Windows Server 2012 R2. This is because most of the troubles and restrictions encountered when performing an in-place upgrade are no longer and issue. It works by taking copies of critical data from the source (old) server to the destination (new) server with a fresh copy of Windows Server 2012 R2 installed.

Following the migration guide provided by Microsoft, administrators can migrate between:

  • Versions – any version of Windows Server 2003 SP2 or higher
  • Platforms – 32 bit to 64 bit platforms
  • Editions – any edition of Windows Server (provided it supports the required features)
  • Physical and virtual instances – from physical to virtual or the other way
  • Installation options – between Server Core and GUI or the other way

Migration is performed on roles and role services, rather than migrating everything in one go. Windows Server Migration Tools are sometimes required to perform migrations for certain roles and can be installed using the Add Roles and Features Wizard or PowerShell using the following command: “Install-WindowsFeature Migration”.

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