IIS网站报错targetFramework特性仅作用于目标.NET Framework4.0或更高版本

原創 咖啡那么浓 2020-05-30 16:54

在访问IIS网站时遇到如下报错
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根据提示我们知道是系统已经安装的.NET版本低于程序要求的版本，需要安装符合要求的版本来解决此问题，此时如果使用“服务器管理器”采用点选的方式安装.NET4.5,发现并不能解决此问题，报错依旧
在这里插入图片描述
原因为我们的系统使用server 2012R2基础版本镜像安装，并没有后续的更新补丁，直接安装的.NET是不能使用的，需要按照顺序分别安装KB2919442和KB2919355补丁，重启服务器即可，具体下载地址及安装过程参考
Windows server 2012R2或Windows 8.1如何成功离线安装.net 4.7

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