我下载了一个的.NET 3.5 SP1 的大文件。

I downloaded a big file of .Net 3.5 SP1.

现在，当我尝试在Windows Server 2012上安装它，我得到了下面的截图：

Now when I try to install it on Windows Server 2012, I get the following screenshot:

现在，这是一个循环。当我尝试从服务器管理器安装，我得到的安装无法做到的。它需要安装盘。

Now this is a loop. When I try to install from Server Manager, I get installation cannot be done. It needs the installation disk.

这是不是意味着没有安装盘在presence我不能安装呢？

Does that mean I can't install at all without the installation disk in presence?

推荐答案

您的WSUS服务器probobly的方式获得，或者你只是不能达到微软的更新站点。

Your WSUS server is probobly getting in the way, or you just can't reach the Microsoft update site.

按照这些方向。的指定设置可选组件安装和组件修复为我工作。

Follow these directions. "Specify settings for optional component installation and component repair" worked for me.