How to migrate from SBS 2003 R2 Premium to Windows Server 2012 R2 (Essentials) By Mariette Knap migration, fsmo, dcpromo, replica, sbs 2003 end of life How to migrate from SBS 2003 to Windows Server 2012 R2 (Essentials) is one of the least asked for procedures but I have decided to write the tutorial anyway so we have a full set of migration guides. With a screenshot of every step involved it is easy to understand. For me it was great fun doing this because I had not touched a SBS 2003 in years Every step in this tutorials has a screenshot and if any Powershell is involved we have made it easy for you to copy it to your own situtation. This tutorial will guide you from the start until everything has been migrated to the new server. And at the end of the procedure we will show you how you can safely remove the old SBS from your Active Directory. This tutorial will help most companies to migrate from SBS 2003 to a new server with a new Operating System. As a plugin we do also offer tutorials that migrate Exchange mail to either Office 365 or an on-premise Exchange Server. Those are all included in a subscription. You should read the procedure before you start and if there is anything not clear please use our special forum for subscribers to ask your questions. This forum can not be crawled by search engines and is private. Let's get started