We are looking at switching the single sign-on identity provider that our organizational AGO account uses from our on-premise ADFS server to Azure ADFS and are wondering if that can be a seamless transition if the NAMEID is the same in both configurations. We're hoping that accounts will persist after we switch and we won't need to modify ownership and/or group membership.
Thanks for any information, site, or personal experience!
Configure Active Directory Federation Services—ArcGIS Online Help | Documentation
Azure Set-Up: Tutorial: Azure Active Directory integration with ArcGIS Online | Microsoft Docs