Hi,
Thank you for posting in Microsoft Q&A forum.
Some workarounds may help from a similar thread:
PXE Boot not working after 2403 Update
1,You can try to change the communication from HTTPS to EHTTP.
2,Also make sure the certificate for the DP is not blocked under "Administration -> Security -> certificates".
Thanks for your time. Have a nice day!
Best regards,
Simon
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