Hi,
Thanks for posting in Microsoft MEM Q&A forum.
Per my experience, pure MDT doesn't use PKI, so we can't use HTTPS boot in MDT. If you want OS Deployment with PKI (HTTPS), you can integrate MDT with SCCM, and refer to:
OS Deployment with PKI (HTTPS)
Note: This is non-Microsoft link, just for your reference.
Thanks for your time. Have a nice day!
Best regards,
Simon
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