<Tr> <Th> Windows Deployment Services </Th> <Td> Yes </Td> <Td> Yes </Td> <Td> Yes </Td> <Td> Yes </Td> </Tr> <Tr> <Th> Windows Powershell </Th> <Td> Yes </Td> <Td> Yes </Td> <Td> Yes </Td> <Td> Yes </Td> </Tr> <Tr> <Th> Active Directory Domain Services </Th> <Td> Must be root of forest and domain </Td> <Td> Yes </Td> <Td> Yes </Td> <Td> Yes </Td> </Tr> <Tr> <Th> Active Directory Certificate Services </Th> <Td> Certificate Authorities only </Td> <Td> Certificate Authorities only </Td> <Td> Yes </Td> <Td> Yes </Td> </Tr>

Which of the following upgrades are supported by windows server 2012