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WMI Filter Validation Utility

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Validates GPO WMI Filters against live systems to make sure that the filter you write will pass or fail as expected.

Rating:	Currently 3/5 Stars. 1 2 3 4 5
Comments:	4
Owner:	Darren Mar-Elia
Created:	11/5/2008
Modified:	11/7/2008
Visited:	7122

This utility was built to help validate whether or not a particular WMI filter applies to a particular computer (or user logged into that computer). The tool returns a list of WMI filters defined for a given domain, the GPOS they are linked to and the WMI query that is contained within them. If you right-click on a particular filter, you can run a wizard that lets you connect to a target computer and run the query against the computer to determine if the filter will evaluate to true or false on that particular computer (or user logged into the computer). If the filter evaluates to true, that means that the GPO that is linked by the filter will be applied. If the filter evaluates to false, then the GPO will not be applied. This is a quick and dirty way, without having to run an RSOP model, to determine whether a filter applies or not. Note that the tool will work against Win2K machines even though Win2K does not understand WMI filters.

The tool also allows you to print out the list of WMI filters defined on the domain. The screen shot gives a flavor of the tool.

Requirements: For the 1.0.* version of WMIFTest, you need the .Net Framework 2.0 installed on the machine where you run this utility from.

Release History

Version 1.0.3 released on Nov 8, 2008: Adds support for WMI filters that contain multiple WQL queries.

Version 1.0.2 (current) released on July-17-07: Fixes an issue where the tool would throw an error if a WMI filter had a blank description and fixes some issues with the host ping validation.

Comments

Ralph Thomas says:

I found this tool useful.

Gary Stockton says:

Great tool, Thanks! Is there a way to script this information to a text file? I have not been able to find a script to backup the WMI Filter name, Description, GPO Links, and the query string. It would be really cool if you could make this tool 'scriptable'. _ Thanks again - Gary

Stu says:

What would be really useful is a tool that displays the full results of a WMI query and not just validate against an individual computer/user etc. I need to make doubly sure what my GPO is applying to before I trust the WMI filter. How can we do that for free? VBScript?? Still its a useful tool for one off troubleshooting.

Andrew Wiggin says:

Good tool. I have to agree with Stu in that i would like to see the results of the query. But the reason i wanted to comment was to point out that there is a lot of window navigation. That is one of the points i really like about the scriptomatic - no windows to navigate. The other item i would add is the ability to validate against multiple computers at the same time and see the results in a table. Good tool. Great site.

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DISCLAIMER: Everything posted here is offered as is. By downloading it, you accept full responsibility for testing to ensure it does not cause any problems in your own environment. There is no warranty on any of the code or files on this page, so it's up to you to make sure it's safe for your environment. Please don't repost or re-use the tools or content elsewhere unless you get prior approval from the author (all GPOGuy tools are written by me unless otherwise noted). Many of the files on this page are offered as freeware (unless otherwise noted by the author), and as such should not be sold by anyone else.

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