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File System Minifilter Allocated Altitudes

Updated: April 12, 2010

File name: alloc-alt.xlsx
46.5 KB
Microsoft Excel File
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The File System Minifilter Allocated Altitudes List provides a record of altitudes allocated to file system minifilter drivers. A file system minifilter driver developed to the Filter Manager model must have a unique identifier called an altitude that defines its position relative to other minifilters in the I/O stack. Minifilter altitudes are allocated by Microsoft based on minifilter requirements and load order group.

This information applies to the following operating systems:
Windows Server 2008 R2
Windows 7
Windows Server 2008
Windows Vista
Windows Server 2003
Windows XP
Windows 2000

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