Please note that as of March 1, 2026, Microsoft will enforce its terms of use for everyone who has configured multiple application registrations. At this point, it’s not clear whether there will be a penalty or charge for having multiple applications configured.
Please refer here for the Veeam KB published Feb 24, 2026: KB4821: Support Statement — Microsoft 365 Changes to Throttling Enforcement
Most importantly, you can find a script here, provided by