On every server is a standard Microsoft Server 2012 R2 Domain Controller, running on a virtual machine called ZDC. All of the standard Windows management tools are installed by default.
Customisation of Active Directory is permitted including creating and editing Group Policies, OUs, groups and objects. However, it is strongly recommend that users and groups are kept in the default Organisational Units for each server which is
[ Active Directory Domain Name ] > Zynstra > Cluster ID and AD Name > HAP > Public