Group policy admx and adml
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Group Policy ADMX and ADML. Configuration of a central store. Overview. Group Policy Overview . admx and . adml files Group policy integration Local Central Store Benefits Limitations Video. Group Policy. Prior to Windows Vista/Server 2008 we used . adm files in group policy

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Group Policy ADMX and ADML

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Group policy admx and adml

Group Policy ADMX and ADML

Configuration of a central store


Overview

Overview

  • Group Policy Overview

  • .admx and .adml files

  • Group policy integration

    • Local

    • Central Store

  • Benefits

  • Limitations

  • Video


Group policy

Group Policy

  • Prior to Windows Vista/Server 2008 we used .adm files in group policy

    • Proprietary file format

    • Requires that administrators have a local copy of all .adm files

    • Requires copying of the adm file to specific group policy object sysvol\domain\policies\<GUID> directories

    • About 2MB in size, causes lots of replications issues. (2MB * 1000 files = 2GB of network traffic)


Admx and adml

.admx and .adml

  • Newer group policy object files based on xml and supports language specific variants (.adml)

  • Supported natively by Windows Vista and later operating systems

  • Smaller foot print than previous .adm files


Group policy integration

Group Policy Integration

  • Local Store

    • %systemroot%\policyDefinitions

  • Central Store

    • %systemroot%\sysvol\domain\policies\PolicyDefinitions

  • Both work with Group Policy Editor on Windows Vista and later


Benefits

Benefits

  • Advantages of using ADMX Central Store:

    • Once an admx file is added to the central store, it is available to all group policy administrators

    • Reduces the amount of replication across the domain controllers

    • .admx and .adml files are about 1/10th the size of .adm files

    • Central store is only copied once


Limitations

Limitations

  • Only Windows Vista and later operating systems versions of group policy administrative console support admx and admlfiles

  • Administrators cannot use a Windows XP or prior operating system to administer group policy, including Windows Server 2003 R2 and earlier server versions

  • Will break custom modifications directly made to the following files

    • System.adm

    • Inetres.adm

    • Wmplayer.adm

    • Wuau.adm

  • .admx and .adml files for Windows 7 and 2008 R2 are not necessarily compatible with group policy editor for Vista and 2008.

  • .admx and .adml files must be located either centrally or locally to apply correctly


Notes

Notes

  • http://technet.microsoft.com/en-us/library/cc709647.aspx

  • http://technet.microsoft.com/en-us/video/screencast-how-to-configure-the-central-admx-store.aspx


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