Iis 错误hresult:80004001，消息：命令执行失败。未实施

我在服务器中运行命令“

%windir%\system32\inetsrv\appcmd list requests/appeased:1000

”，遇到以下错误：

错误

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似乎在安装时未包含某些IIS功能

Right Click on My Computer and Select Manage.This will open Server Manager
Select Manage and Choose Add Roles/Features 
Select Installation Type Role-Based/ feature based installation,Click next
Select server,Click next
Select server roles and you should see Web Server(IIS)->Web Server->Health and Diagnostics 
Check Request Monitor and tracing

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谁能帮我一下我做错了什么。