An existing Active Directory Group Policy Object (GPO) named "SCE Test GPO" may be deleted during the configuration of System Center Essentials 2010.
Link: A group policy object named 'SCE Test GPO' may be deleted during the configuration of System Center Essentials 2010

For my part I am not using System Center Essentials 2010 but I thought this was worth posting in case someone out there is working on this at the moment and has missed this KB article.

KB article number: KB2141093