Version
7.2.x.
Issue
Approved USB device is triggering a block after entering the Bitlocker password, but the device is accessible for write after acknowledging the Bit9 notifier.
Symptoms
Removable device setting on the policy has Active to block Write action on Unapproved Removable Devices. Ntoskrnl.exe gets a block when using Bitlocker on an approved USB device.
Solution
Create a custom rule
Rule type: Advanced
Operation: Write
Write Action: Allow
Path: \device\harddiskvolume*
Process ntoskrnl.exe
