Add the Administrators security group to roaming user profiles: registry value AddAdminGroupToRUPComputerHKLM\Software\Policies\Microsoft\Windows\System

Policy ID
AddAdminGroupToRUP
Scope
Computer Configuration
Supported on
At least Windows Server 2003 operating systems or Windows XP Professional
Source
Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category
System › User Profiles

Registry

AddAdminGroupToRUP

-Computer