


When you joining a computer to an AD domain, the Domain Admins group is automatically added to the local Administrators group, and the Domain User group is added to the local Users group. Local Administrators Group in Active Directory Domain Using GPO to Add a Single User to the Local Admin Group on a Specific Computer.Managing Local Admins Group Using Restricted Groups.How to Add Domain Users to the Local Administrators via GPO Preferences?.

Local Administrators Group in Active Directory Domain.
