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Summary

The /INTEGRITYCHECK linker option provides Windows kernel digital signature verification for user mode Portable Executables (PE) files. This linker option is required for anti-malware and anti-cheat scenarios to register components with the Windows Security Center.  

You must sign IntegrityCheck-linked user mode PEs using Azure Code Signing (ACS). The cross-signing program is deprecated and new signing certificates will not be issued. Windows will continue to trust the existing binaries signed by the cross-signing program.

Compatibility 

Microsoft first introduced the signing requirement for user mode PEs in Windows 11, version 21H2. These changes were serviced to the supported Windows client and Windows server products through Windows Update. All versions of Windows 11 natively support Azure Code Signing for user mode PE files. Support for Azure Code Signing was made available in other client and server products starting with the releases listed below.

NOTE The updates that are listed in the following table can be expired or withdrawn for a specific reason. We recommend that you apply the latest version of update available as the updates are cumulative and include all earlier updates.

Product

KB number

Release date

Updates history page

Windows Server 2022

5005619 or a later update

September 27, 2021

Updates for Windows Server 2022

Windows 10, version 2004

Windows 10, version 20H2

Windows 10, version 21H1

5005611 or a later update

September 30, 2021

Updates for Windows 10, version 2004 and Windows Server, version 2004

Updates for Windows 10, version 20H2 and Windows Server, version 20H2

Updates for Windows 10, version 21H1

Windows 10, version 1909

5005624 or a later update

September 21, 2021

Updates for Windows 10, version 1909 and Windows Server, version 1909

Windows 10, version 1809

Windows Server 2019

5005625 or a later update

September 21, 2021

Updates for Windows 10, version 1809 and Windows Server 2019

Windows 10, version 1607

Windows Server 2016

5006669 or a later update

October 12, 2021

Updates for Windows 10 version 1607 and Windows Server 2016

Windows 10, version 1507

5006675 or a later update

October 12, 2021

Updates for Windows 10 (initial version released July 2015)

Windows 8.1

Windows Server 2012 R2

5006714 (Monthly rollup) or a later update

5006729 (Security-only update) or a later update

October 12, 2021

Updates for Windows 8.1 and Windows Server 2012 R2

Windows Server 2012

5006739 (Monthly rollup) or a later update

5006732 (Security-only update) or a later update

October 12, 2021

Updates for Windows Server 2012

Windows 7.0 SP1

Windows Server 2008 R2

5006743 (Monthly rollup) or a later update

5006728 (Security-only update) or a later update

October 12, 2021

Updates for Windows 7 SP1 and Windows Server 2008 R2 SP1

Windows Server 2008 SP2

5006736 (Monthly rollup) or a later update

5006715 (Security-only update) or a later update

October 12, 2021

Updates for Windows Server 2008 SP2

NOTE To correctly verify modules signed by Azure Code Signing, computers are required to have the "Microsoft Identity Verification Root Certificate Authority 2020" certificate authority (CA) installed. By default, root certificates are installed automatically if the computer is connected to the Internet. If the "automatic root certificates update" setting is disabled or the computer is offline, you must install this root certificate into the certificate store of "Local Computer" under "Trusted Root Certification Authorities". To download the certificate, see PKI Repository - Microsoft PKI Services.

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