Microsoft has just updated the following KB Article:
System Center 2012 Configuration Manager and System Center 2012 Endpoint Protection support for Microsoft Azure Virtual Machines
Summary:
This article introduces the support policy for Microsoft System Center 2012 Configuration Manager and System Center 2012 Endpoint Protection to manage server software in the Microsoft Azure Virtual Machine environment (infrastructure-as-a-service).
Full details at:
http://support.microsoft.com/kb/2889321