Hotpatching is now available for 64-bit Arm architecture

Hotpatching is now available for Windows 11, version 24H2 Arm64 devices, allowing security updates without restarts. Organizations benefit from faster compliance, no downtime, smaller update payloads, and enterprise-grade control. Prerequisites include disabling Compiled Hybrid PE (CHPE) via policy or registry key. For more details, review the provided links. More enterprise environments can now experience the power of security updates that do not require a restart. Hotpatching is now available for Windows 11, version 24H2 Arm64 devices. All you need to do is check your prerequisites, disable Compiled Hybrid PE (CHPE), and enroll these devices into a quality update policy with hotpatching enabled. When this will happen: Hotpatching for 64-bith Arm architecture is now generally available. How this will affect your organization: With hotpatching, your organization can benefit from: Faster compliance: Security updates are applied immediately, reducing the window of vulnerability. No downtime: Users stay productive—no forced restarts or interruptions. Smaller update payloads: Faster installs and easier update orchestration. Enterprise-grade control: Integrated with Microsoft Intune and Windows Autopatch for streamlined management. What you need to do to prepare: Review Hotpatching now available for 64-bit Arm architecture to check if you meet the prerequisites and additional guidance to get started. A unique prerequisite for Arm64 devices is disabling Compiled Hybrid PE (CHPE). Do this in one of the following ways: Use the DisableCHPE policy. Apply the following configuration service provider (CSP) setting via Microsoft Intune or Group Policy, then restart the device once: ./Device/Vendor/MSFT/Policy/Config/Hotpatch/DisableCHPE = 1 Use registry keys. You can also set the following registry key value to 1 and then restart the device once: HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management\HotPatchRestrictions = 1 Additional information: Read Hotpatching now available for 64-bit Arm architecture for the complete announcement and technical guide. Find the DisableCHPE policy at System Policy CSP. Learn how to Enroll devices to receive hotpatch updates. Consult our comprehensive documentation on hotpatch updates. Message ID: MC1115976

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