Message CenterMajor changeUser impactAdmin impactRetirement

MC1276511 — Upcoming retirement of older Microsoft Defender for Endpoint mobile app versions (iOS and Android)

MC1276511Microsoft Defender XDRplanForChangeUpdated: 10 April 2026

Microsoft will retire Microsoft Defender for Endpoint mobile app versions released before February 2026 on iOS and Android starting May 10, 2026. Older versions will lose cloud connectivity and updates. Administrators must ensure devices update to supported versions to maintain protection and avoid service disruption.

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Applies to: Microsoft Defender XDR
Source: mc.merill.net — data via Merill Fernando's open archive (MIT).