The following requirements must be met before using this database connection method:
EMS and all of its components must be installed and functional.
An EMS-specific Active Directory security group that contains all your EMS Desktop Client users is required. This group is granted explicit permissions to your EMS and EMS_Master databases.
An EMS-specific Active Directory user account that is a member of the Active Directory security group outlined above is required. This account is used to configure the database authentication option for EMS web-based products, such as EMS Web App, VEMS, EMS Mobile App, and so on.