Ah, gotcha. There is this issue to add support to Azure AD that was merged, but I think the discussion is worth reading to understand the scope of support. Documentation for Azure AD here. I haven't gotten in the weeds with Azure AD in a while, but you'll have to write a little code to harmonize the two approaches. Something that fetches your managed identities and adds them to the Delta Sharing server's config. Let me know if you need more guidance and I can help you look into it more. Hope this helps!