Regarding Group Policy in Windows Server 2008 and Windows Vista, Microsoft used the token-based administrative template (ADM) files. What did Microsoft replace ADM files with, which is used in Windows Server 2012 and Windows Server 2012 R2?

ADMX files which is in XML file format.

Explanation:

Regarding Group Policy in Windows Server 2008 and Windows Vista, Microsoft used the token-based Administrative Template (ADM) files. Microsoft replaced ADM files with ADMX files (XML-based file format), and it is used in Windows Server 2012 and Windows Server 2012 R2.

ADMX files are registry-based policy settings used for defining the display of the Administrative Template (ADM) policy settings in the GPO Editor in an XML-based structure.

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