JSI Tip 9837. The new Filter Manager feature is available in Windows 2000.

Microsoft Knowledge Base Article 894608 contains the following introduction:

The new Filter Manager feature improves the implementation and the deployment of file system filters. Filter Manager is available in the following products:

• Update Rollup 1 for Microsoft Windows 2000 Service Pack 4

• Microsoft Windows XP Service Pack 2

• Microsoft Windows Server 2003 Service Pack 1

You can obtain this feature immediately by following the instructions in the "More Information" section of this article.