Minifilter and legacy filter usage in Callback File System and CBFS Connect

Microsoft has recently announced plans to remove support for legacy filter drivers. Depending on which product you are using, this may impact you.

CBFS Connect

CBFS Connect does not require legacy filter support to function. No action is required if you are using CBFS Connect.

Note: CBFS Connect uses the legacy filter driver for supplementary functions. However, if legacy filter support is disabled in the OS, CBFS Connect will continue to work. The filter driver may also be disabled in CBFS Connect via the properties of CBFSConnect class.

Callback File System

Callback File System does require legacy filter support. Migration to CBFS Connect is highly recommended.

Callback File System uses a legacy filter driver and will fail to start if the filter driver cannot be loaded. Thus Callback File System is not compatible with upcoming changes to the Windows operating system. Continued use of Callback File System will result in the inability to use the product on systems that are updated with new requirements from Microsoft.

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