在window2012ServerR2 上安装mysql8，提示需要安装‘’visual studio 2019 redistributable “。
从官网下载VC_redist.exe.
执行安装：
安装过程失败，提示：
查看日志文件：
[1318:0220][2022-06-20T15:13:51]i304: Verified existing payload: Windows81_x64 at path: C:\ProgramData\Package Cache\3ACBF3890FC9C8A6F3D2155ECF106028E5F55164\packages\Patch\x64\Windows8.1-KB2999226-x64.msu.
[1318:0220][2022-06-20T15:13:51]i304: Verified existing payload: vcRuntimeMinimum_x64 at path: C:\ProgramData\Package Cache\{C96241EA-9900-4FE8-85B3-1E238D509DF6}v14.32.31326\packages\vcRuntimeMinimum_amd64\vc_runtimeMinimum_x64.msi.
[1318:0220][2022-06-20T15:13:51]i304: Verified existing payload: cab5046A8AB272BF37297BB7928664C9503 at path: C:\ProgramData\Package Cache\{C96241EA-9900-4FE8-85B3-1E238D509DF6}v14.32.31326\packages\vcRuntimeMinimum_amd64\cab1.cab.
[1318:0220][2022-06-20T15:13:51]i304: Verified existing payload: vcRuntimeAdditional_x64 at path: C:\ProgramData\Package Cache\{38624EB5-356D-4B08-8357-C33D89A5C0C5}v14.32.31326\packages\vcRuntimeAdditional_amd64\vc_runtimeAdditional_x64.msi.
[1318:0220][2022-06-20T15:13:51]i304: Verified existing payload: cab2C04DDC374BD96EB5C8EB8208F2C7C92 at path: C:\ProgramData\Package Cache\{38624EB5-356D-4B08-8357-C33D89A5C0C5}v14.32.31326\packages\vcRuntimeAdditional_amd64\cab1.cab.
[1318:089C][2022-06-20T15:13:51]i301: Applying execute package: Windows81_x64, action: Install, path: C:\ProgramData\Package Cache\3ACBF3890FC9C8A6F3D2155ECF106028E5F55164\packages\Patch\x64\Windows8.1-KB2999226-x64.msu, arguments: '"C:\Windows\SysNative\wusa.exe" "C:\ProgramData\Package Cache\3ACBF3890FC9C8A6F3D2155ECF106028E5F55164\packages\Patch\x64\Windows8.1-KB2999226-x64.msu" /quiet /norestart'
[1318:089C][2022-06-20T15:13:52]e000: Error 0x80240017: Failed to execute MSU package.
[0BD0:101C][2022-06-20T15:13:52]e000: Error 0x80240017: Failed to configure per-machine MSU package.
[0BD0:101C][2022-06-20T15:13:52]i319: Applied execute package: Windows81_x64, result: 0x80240017, restart: None
[0BD0:101C][2022-06-20T15:13:52]e000: Error 0x80240017: Failed to execute MSU package.
[1318:089C][2022-06-20T15:13:52]i372: Session end, registration key: SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{2d507699-404c-4c8b-a54a-38e352f32cdd}, resume: None, restart: None, disable resume: No
[1318:089C][2022-06-20T15:13:52]i330: Removed bundle dependency provider: VC,redist.x64,amd64,14.32,bundle
[1318:089C][2022-06-20T15:13:52]i352: Removing cached bundle: {2d507699-404c-4c8b-a54a-38e352f32cdd}, from path: C:\ProgramData\Package Cache\{2d507699-404c-4c8b-a54a-38e352f32cdd}\
[1318:089C][2022-06-20T15:13:52]i371: Updating session, registration key: SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{2d507699-404c-4c8b-a54a-38e352f32cdd}, resume: None, restart initiated: No, disable resume: No
[0BD0:101C][2022-06-20T15:13:52]i399: Apply complete, result: 0x80240017, restart: None, ba requested restart: No
从日志文件分析
Windows81_x64 at path: C:\ProgramData\Package Cache\3ACBF3890FC9C8A6F3D2155ECF106028E5F55164\packages\Patch\x64\Windows8.1-KB2999226-x64.msu
Windows8.1-KB2999226-x64.msu 安装有问题，导致无法继续。
定位到C:\ProgramData\Package Cache\3ACBF3890FC9C8A6F3D2155ECF106028E5F55164\packages\Patch\x64\目录。
执行msu文件， 安装提示 此更新不适用你的计算机。
继续寻找其他解决办法，经实践使用下面的方法可行：
1、创建C:\update\目录
把Windows8.1-KB2999226-x64.msu放在update\目录
2、windows键+X 选择 命令提示符(管理员) 一定要是管理员
3、执行下面命令
1 expand –F:* c:\update\Windows8.1-KB2999226-x64.msu c:\update\
2 dism.exe /online /Add-Package /PackagePath:c:\update\Windows8.1-KB2999226-x64.cab
image.png
5、 再执行VC_redist.x64
VC_redist.x64 ，安装成功。
5、 安装mysql-8.0.28-winx64
再次执行mysql-8.0.28-winx64，不再提示vcredist,.
