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An existing Active Directory Group Policy Object (GPO) named "SCE Test GPO" may be deleted during the configuration of System Center Essentials 2010. This can happen because the System Center Essentials 2010 policy configuration process attempts to create and then delete a "SCE Test GPO" in Active Directory Domain Services to determine if the user context of the Essentials console can create domain policy. If an Active Directory group policy object with this name already exists and is being used then it may be deleted during this process.
For all the details and the latest, most up-to-date information see the following Knowledge Base article:
KB2141093 - A group policy object named 'SCE Test GPO' may be deleted during the configuration of System Center Essentials 2010
J.C. Hornbeck | System Center Knowledge Engineer