The option to specify client ID and secret when creating Azure ACS principals will be removed. Users must adopt the system-generated client ID and secret. This change will start in early October 2024 and end by early November 2024. No admin action is required for this automatic change. Azure ACS is retiring on April 2, 2026.
Applies to: SharePoint Online · Microsoft OneDrive
Source: mc.merill.net — data via Merill Fernando's open archive (MIT).