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Set Up Core Isolation Memory Integrity on Windows 11 25H2

Check driver compatibility and enable Windows Memory integrity protection.

by@guidox updated:10/29/26 time:15 min level:Intermediate works on:Windows 11 25H2 x64, Virtualization-based security capable hardware
⚠ Safety notice

Disabling Memory integrity reduces an additional Windows security protection. Prefer resolving driver incompatibilities.

TL;DR

Enable **Memory integrity** inside Windows Security and confirm protection remains active.

Before you start

Requirements

  • Windows 11 25H2 x64
  • Compatible CPU and virtualization features
  • Administrator rights
  • Compatible device drivers
Step by step

Instructions

01

Open Windows Security

Search Start for **Windows Security** and open the application.

02

Open Device security

Select **Device security** and find the **Core isolation** controls.

03

Check compatibility

Open **Core isolation details**. Check whether Windows reports incompatible drivers or missing platform requirements.

04

Resolve driver warnings

If incompatible drivers are listed, obtain supported replacements through the device manufacturer or Windows Update.

⚠ warningDo not delete driver files manually just to remove a compatibility warning.
05

Enable Memory integrity

Turn **Memory integrity** on. Restart the PC if Windows requests it.

06

Verify protection

Return to **Core isolation details** and confirm that Memory integrity is enabled without unresolved warnings.

Troubleshooting

Common issues

Memory integrity cannot be enabled.

Review incompatible driver reports and check virtualization support.

Windows turns the setting off after restarting.

Check Windows Security notifications and update or replace the incompatible driver.

FAQ

Frequently asked

Does Memory integrity require virtualization?

Yes. It uses virtualization-based security capabilities.

Can it affect performance?

Performance impact varies by hardware and workload.

How to undo this

If necessary for compatibility, open **Core isolation details**, turn **Memory integrity** off, and restart. Re-enable it after resolving incompatible hardware or software.

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