Win2008(IIS+PHP7.2.33)无法显示详细错误(始终显示500错误)或提示The FastCGI process exited unexpectedly_php7.2 phpoffice错误500

Win2008(IIS+PHP7.2.33)无法显示详细错误(始终显示500友好错误)
或者提示The FastCGI process exited unexpectedly

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一、Web.config 添加
<system.webServer>
    <httpErrors errorMode="DetailedLocalOnly" existingResponse="PassThrough"></httpErrors>
<system.webServer>

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二、安装 vc_redist.x64.exe
下载地址：https://www.microsoft.com/en-us/download/details.aspx?id=48145

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三、确保 php.ini 各项开启，例如：
log_errors = On
html_errors = On
display_errors = On
fastcgi.logging = 0
error_reporting = E_ALL & ~E_NOTICE