Hi,
Thank you for posting in Microsoft Q&A forum.
Please check the NDESPlugin.log under C:\Program Files\Microsoft Intune\NDESPolicyModule\Logs\ to see if there is any useful information.
A similar thread for your reference: NDES: Event ID 29 (The password in the certificate request cannot be verified)
Thanks for your time. Have a nice day!
Best regards,
Simon
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