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Johannes Goerlich's avatar
Johannes Goerlich
Iron Contributor
Apr 08, 2026

BrowserCodeIntegritySetting vs. Memory integrity / HVCI

Hello all,

we have set BrowserCodeIntegritySetting to '2' (Enabled: Enable code integrity guard enforcement in the browser process.) This causes the browser to crash once a user tries to logon to Citrix terminal servers with EntraID/Fido2. This is probably cased by an unsigned Citrix CtxFidoMuxdll, but from our understanding this should be properly handled and the browser should not just crash.

While investigating the root cause, we found very few information about Code Integrity Guard. It seems it was shipped as part of Device Guard but nowadays is named Memory integrity or hypervisor-protected code integrity (HVCI) and independent from Device GuardIs this understanding correct and can we expect that the feature name will be updated and a proper documentation will be added?

BR,

Joe

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