Device (VMBS)
This device ID is used by the system to identify the module. The TPM provides hardware-based security functions, such as: acpi ven-msft amp-dev-0101
If you see "Unknown Device" with the hardware ID ACPI\VEN-MSFT&DEV-0101 , Windows recognizes the hardware exists but has no driver assigned. This often happens on fresh Windows installs (especially customized LTSC builds) or Linux dual-boots that wiped the ACPI tables. Device (VMBS) This device ID is used by
: Generating and protecting cryptographic keys. acpi ven-msft amp-dev-0101