IIS網站報錯targetFramework特性僅作用於目標.NET Framework4.0或更高版本

原創 咖啡那么浓 2020-05-30 16:54

在訪問IIS網站時遇到如下報錯
在這裏插入圖片描述
根據提示我們知道是系統已經安裝的.NET版本低於程序要求的版本，需要安裝符合要求的版本來解決此問題，此時如果使用“服務器管理器”採用點選的方式安裝.NET4.5,發現並不能解決此問題，報錯依舊
在這裏插入圖片描述
原因爲我們的系統使用server 2012R2基礎版本鏡像安裝，並沒有後續的更新補丁，直接安裝的.NET是不能使用的，需要按照順序分別安裝KB2919442和KB2919355補丁，重啓服務器即可，具體下載地址及安裝過程參考
Windows server 2012R2或Windows 8.1如何成功離線安裝.net 4.7

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