The hardware identifier ACPI\MSFT0101 refers to the Trusted Platform Module (TPM) 2.0
If you see this ID in your Device Manager with a yellow exclamation mark, it typically means: acpi ven-msft amp-dev-0101
He dug deeper. The vendor ID MSFT was obvious—Microsoft. But AMP-DEV-0101 wasn't in any public documentation. Not in the ACPI spec. Not in the Windows Hardware Compatibility Program docs. Not even in leaked internal builds. The hardware identifier ACPI\MSFT0101 refers to the Trusted