File System Minifilter Allocated AltitudesUpdated: November 19, 2012 File name: alloc-alt.xlsx About This DownloadThe 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: |