文章編號: 000128275
BitLocker prompts to enter the recovery key when booting up a computer using a USB type-C or Thunderbolt 3 docking station.
This article is intended for the following models:
No cause information.
BitLocker is an encryption function of the Windows Operating System 9OS). You may encounter an issue where BitLocker asks for a recovery key every time you boot up your computer. This issue has been found to occur on computers with USB Type-C and Thunderbolt 3 (TBT) ports.
BitLocker monitors the computer for changes to the boot configuration. When BitLocker sees a new device in the boot list or an attached external storage device, it prompts you for the key for security reasons. This is normal behavior.
This problem occurs because boot support for USB-C/TBT and Preboot for TBT are set to On by default. Turning these options off in the BIOS removes any USB-C/TBT devices from the boot list, and BitLocker does not see them.
The only negative effect of this configuration change is that you cannot perform a PXE boot from a USB-C/TBT dongle or docking station.
To resolve the issue, follow the steps below:
Once these changes are made, the computer should not prompt for the BitLocker key on every boot.
Duration: 01:07 (hh:mm:ss)
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