Hello AnthonyHill,
To be able to capture properly Windows 11, you need to update the ADK and update MDT, please see below:
Windows 11 ADK: https://learn.microsoft.com/en-us/windows-hardware/get-started/adk-install
MDT: https://www.microsoft.com/en-us/download/details.aspx?id=54259
MDT update for Windows 11: https://support.microsoft.com/en-us/topic/windows-10-deployments-fail-with-microsoft-deployment-toolkit-on-computers-with-bios-type-firmware-70557b0b-6be3-81d2-556f-b313e29e2cb7
Additionally you can find other workarounds that some community members have disscussed about the topic: https://learn.microsoft.com/en-us/answers/questions/596055/need-help-can39t-capture-wim-image-of-windows-11-i.html
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