Microsoft AutoUpdate for Mac will switch to a new CDN endpoint by June 1, 2026, improving update reliability and security. Organizations must ensure network access to res.public.onecdn.static.microsoft and update MAU settings if needed. The legacy endpoint will be decommissioned by August 1, 2026.
Applies to: Microsoft 365 suite
Source: mc.merill.net — data via Merill Fernando's open archive (MIT).