This recipe will guide you through the upgrade options for VMM 2012 R2. Keep in mind that there is no direct upgrade path from VMM 2008 R2 to VMM 2012 R2.
Read through the following recommendations in order to upgrade your current VMM installation.
Use this method if your system meets the requirements for a VMM 2012 upgrade and you want to deploy it on the same server. The supported VMM version to upgrade from is VMM 2008 R2 SP1. If you need to upgrade VMM 2008 R2 to VMM 2008 R2 SP1, refer to http://go.microsoft.com/fwlink/?LinkID=197099.
In addition, keep in mind that if you are running the SQL Server Express version, you will need to upgrade SQL Server to a fully supported version beforehand as the Express version is not supported in VMM 2012. Refer to Chapter 3, Installing VMM 2012 R2.
Once the system requirements are met and all of the prerequisites are installed, the upgrade process is straightforward...