[gptalk] Re: WMI FILTERS

  • From: "Mills, Mark" <Mark.Mills@xxxxxxxxxxxxxxxxxxxxxx>
  • To: <gptalk@xxxxxxxxxxxxx>
  • Date: Fri, 8 Jun 2007 10:05:34 -0500

I stumbled on this just last week -   Yes the Russian site freaked me
out too, use at your own risk.  Work around for WMI and Windows 2000: 

http://www.mml.ru/WMIF2K/Default.htm


WMI Filtering for Windows 2000

     
Introduction

Windows XP and Windows Server 2003 include a new feature, WMI Filtering
of Group Policy Objects. This feature allows to selectively apply a
Group Policy object based on the result of a WMI query. For example, a
GPO may be applied only to computers that have Windows XP SP1 installed.

Although WMI Filtering does not require Windows Server 2003 on domain
controllers, it is only available to Windows XP or later clients.
Windows 2000 clients just ignore WMI Filters and apply the GPO
regardless of the WMI query result.

The purpose of WMI Filtering for Windows 2000 is to emulate WMI
Filtering for domains that have a significant number of Windows 2000
client and server installations without the need to upgrade to Windows
XP and Windows Server 2003.

WMI Filtering for Windows 2000 features and limitations

WMI Filtering for Windows 2000 emulates the effect of WMI Filtering for
computer accounts running Windows 2000 and later OS. Filtering for user
accounts is not implemented in this release.

WMI Filtering for Windows 2000 maintains Active Directory security
groups that contain computer accounts matching the criteria specified in
the WMI queries. One or more queries are supported for each filter.
Group Policy objects are then applied to these security groups, using
the features compatible with Windows 2000 client systems.

Unlike Group Policy application, the filter processing is performed
during client system startup and/or shutdown. This may effectively limit
usefulness of WMI Filtering for Windows 2000 in some scenarios. However,
if WMI queries are used for tasks like software installation (that is
only performed during system startup) this limitation will not be
significant.

To use WMI Filtering for Windows 2000 a working knowledge of Active
Directory, Group Policy and WMI is required.

Go to the link above for the rest of the documentation....
http://www.mml.ru/WMIF2K/Default.htm



Mark Mills 


-----Original Message-----
From: gptalk-bounce@xxxxxxxxxxxxx [mailto:gptalk-bounce@xxxxxxxxxxxxx]
On Behalf Of Darren Mar-Elia
Sent: June 08, 2007 9:25 AM
To: gptalk@xxxxxxxxxxxxx
Subject: [gptalk] Re: WMI FILTERS

Graham-
You're correct. GPMC focused on 2000 domain that is not ADPrepped will
not
present WMI filters as an option and, though I haven't tested it
specifically, it should just show up when you do update the schema.

Darren

-----Original Message-----
From: gptalk-bounce@xxxxxxxxxxxxx [mailto:gptalk-bounce@xxxxxxxxxxxxx]
On
Behalf Of Graham Turner
Sent: Friday, June 08, 2007 2:00 AM
To: gptalk@xxxxxxxxxxxxx
Subject: [gptalk] Re: WMI FILTERS

Thanks both for mail replies.

Would i be right to say that this would explain why, using GPMC on a
Windows
2003
server , but in a Windows 2000 domain that has not been AD'prepped, i do
not
see the
WMI filters underneath the domain 'branch' ?

by corollary do i then need to do anything to the GPMC configuration
after
ADPREP is
applied ?

or does GPMC somehow query the directory on startup ??

Thanks


> I suspect you are correct about only needing ADPrep Omar, since the
only
server-side
> GP pieces of WMI Filters are one or two new AD classes and some
attribs.
And you are
> correct that only XP/2003 and above will process filters.
Additionally,
even if you
> update the 2000 schema, you can only define and link them using
XP/2003/Vista.
>
> Darren
>
> -----Original Message-----
> From: "Omar Droubi" <omar@xxxxxxxxxxxxxxxxxxxxx>
> To: gptalk@xxxxxxxxxxxxx
> Sent: 6/7/2007 3:33 PM
> Subject: [gptalk] Re: WMI FILTERS
>
> Looks like you only need to run the Windows 2003 Adprep on a w2k
domain
> and you don't even need w2k3 domain controllers.
>
> I do think that wmi filters will only be processed on XP and w2k3
> systems on the network- but you may have to clarity from the GPO guy
> himself on that one.
>
> Omar
>
>
http://technet2.microsoft.com/windowsserver/en/library/dfba1dc6-6848-4ed
> 8-96da-f4241c1acfbd1033.mspx?mfr=true
>
>
> -----Original Message-----
> From: gptalk-bounce@xxxxxxxxxxxxx [mailto:gptalk-bounce@xxxxxxxxxxxxx]
> On Behalf Of Graham Turner
> Sent: Thursday, June 07, 2007 11:46 AM
> To: gptalk@xxxxxxxxxxxxx
> Subject: [gptalk] WMI FILTERS
>
> Hopefully this one is a quick 'yes or no'
>
> is it right that WMI filters are only available if the domain is such
> that at least
> one DC is at Windows 2003, and as such not available to a Windows 2000
> only domain ?
>
> G
>
>
>
>
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