@Balaji Shanmugam Thank you for reaching out to us, As I understand you are looking for information where Azure AD supports Dynamic Client registration, discussed the issue with my team on this, Azure AD does not support OpenID Connect Dynamic Client registration. Would request you to share your feedback on this over here - https://feedback.azure.com/d365community/forum/22920db1-ad25-ec11-b6e6-000d3a4f0789 which is closely monitored by product group team.
Let me know if you have any further questions, feel free to post back.
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