Prevent Roaming Profile changes from propagating to the server: registry value ReadOnlyProfileComputerHKLM\Software\Policies\Microsoft\Windows\System

Policy ID

Readonlyuserprofile

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