Group Policy Infrastructure
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Group Policy Infrastructure Microsoft Corporation Published: April 2003 Updated: November 2004 Abstract Administrators use Group Policy to specify managed configurations for groups of computers and users. Group Policy includes options for registry-based policy settings, security settings, software installation, scripts, folder redirection, Remote Installation Services, and Internet Explorer maintenance. Intended for system administrators, architects, and others who need to create and manage Group Policy settings, this paper explains Group Policy infrastructure and shows how Group Policy Management Console (GPMC), a new MMC snap-in with scripting interfaces, fits into this infrastructure. The paper includes detailed information about Group Policy processing as well as many best practices useful to the Group Policy administrator. 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Microsoft® Windows® Server 2003 White Paper Contents Introduction...................................................................................................................................... 1 Administrative Requirements for Using Group Policy.................................................................. 1 GPMC System Requirements .................................................................................................. 1 Feedback on this Paper ........................................................................................................... 1 What’s New About Group Policy in Windows Server 2003 ............................................................. 2 Group Policy Management Console ............................................................................................ 2 New policy settings ...................................................................................................................... 2 Administrative Templates Changes ............................................................................................. 3 Command Line Refresh of Policy ................................................................................................ 3 WMI Filtering................................................................................................................................ 3 Tools for Best Practice Organizational Unit Design..................................................................... 3 Forest Trust.................................................................................................................................. 4 Domain Rename .......................................................................................................................... 4 Restore GPOs tool....................................................................................................................... 4 Wireless Support.......................................................................................................................... 4 Software Restriction Policy Settings ............................................................................................ 4 Internet Explorer Enhanced Security Configuration..................................................................... 5 Overview of Group Policy Infrastructure and Mechanics ................................................................ 6 Linking Group Policy Objects to Active Directory Containers...................................................... 6 Group Policy Hierarchy ................................................................................................................ 6 Managing Inheritance of Group Policy......................................................................................... 7 Filtering the Scope of the Group Policy Object............................................................................ 8 Security Filtering....................................................................................................................... 9 WMI Filtering .......................................................................................................................... 10 MMC Snap-in Extension Model ................................................................................................. 11 Group Policy Object Editor Namespace .................................................................................... 12 Computer Configuration and User Configuration................................................................... 12 Extensions to the Group Policy Object Editor ........................................................................ 12 Client-side Extensions to Group Policy .................................................................................. 13 Group Policy Storage ............................................................................................................. 13 Microsoft® Windows® Server 2003 White Paper Migrating GPOs Across Domains.................................................................................................. 15 Migration Tables ........................................................................................................................ 15 GPMC as the Solution for Migrating GPOs............................................................................ 15 Scripting Group Policy Tasks ........................................................................................................ 17 Delegating Group Policy................................................................................................................ 18 Using Security Groups to Delegate Group Policy...................................................................... 18 Managing Group Policy Links for a Site, Domain, or Organizational Unit ............................. 19 Creating GPOs ....................................................................................................................... 19 Editing Group Policy Objects.................................................................................................. 20 Delegating an individual GPO.................................................................................................... 20 Specifying Group Policy to Control the Behavior of MMC extensions....................................... 21 Restricting Access to a List of Permitted Snap-ins ................................................................ 21 Controlling Access to a Snap-in ............................................................................................. 21 Creating Custom Group Policy Object Editor Consoles......................................................... 22 Group Policy Extension Snap-ins.................................................................................................. 23 Administrative Templates........................................................................................................... 23 Handling .adm files in Group Policy Object Editor ................................................................. 24 Handling .adm files in GPMC ................................................................................................. 25 Using Administrative Templates ................................................................................................ 25 New policy settings................................................................................................................. 25 True Policy Settings Compared with Group Policy Preferences............................................ 25 Creating Custom .adm Files................................................................................................... 26 Viewing Group Policy Preferences......................................................................................... 27 Impact of GPO Replication....................................................................................................