此更新引入了对 Windows 2 SP7、Windows Server 1 R2008 SP2 和 Windows Server 1 SP2008 的 SHA-2 代码签名支持。
此次更新，解决通过sha2签名的驱动可以在Windows 7 和其他不支持sha2代码签名的系统使用。
Notice
- This security update was released March 12, 2019 for Windows 7 SP1 and Windows Server 2008 R2 SP1.
- This security update was updated May 14, 2019 to add support for Windows Server 2008 SP2.
- This security update was updated June 11, 2019 for Windows Server 2008 SP2 to correct an issue with the SHA-2 support for MSI files.
- This security update was updated August 13, 2019 to include the bootmgfw.efi file to avoid startup failures on IA64-based versions of Windows 7 SP1 and Windows Server 2008 R2 SP1.
- This security update was updated September 10, 2019 to include boot manager files to avoid startup failures on x64-based versions of Windows 7 SP1, Windows Server 2008 R2 SP1 and Windows Server 2008 SP2.
- This security update was updated September 23, 2019 to correct an issue in the Windows Update Agent that has the ZH-HK language pack installed.
Summary
This update introduces SHA-2 code sign support for Windows 7 SP1, Windows Server 2008 R2 SP1, and Windows Server 2008 SP2.
Stand Alone security updates KB4474419 and KB4490628 released to introduce SHA-2 code sign support.
参考链接：2019 SHA-2 Code Signing Support requirement for Windows and WSUS – Microsoft Support