Windows 10 20H2 and 2004 upgrades blocked over Intel Thunderbolt ‘DMA violation’

Microsoft has warned Windows 10 users that they might be blocked from upgrading to Windows 10 versions 2004 or 20H2 due to a compatibility issue with Intel’s Thunderbolt NVMe SSD. 

Whenever Microsoft releases a new feature update – even minor ones, like Windows 10 20H2, which is basically the same as version 2004 – hardware drivers invariably run into compatibility issues. 

This time, Intel and Microsoft have found that a compatibility issue with these two versions of Windows 10 causes a nasty blue-screen error when plugging in an external NVMe SSD via Thunderbolt.

SEE: Windows 10 Start menu hacks (TechRepublic Premium)

Microsoft warns that on either version of Windows 10 users might see a blue-screen error stating: ‘DRIVER_VERIFIER_DMA_VIOLATION (e6) An illegal DMA operation was attempted by a driver being verified.’

DMA refers to Direct Memory Access, which Thunderbolt has when plugged in, allowing a device to transfer data to and

Read More