Party a gives us a physical cloud server system is a Windows server 2012 R2 64 - bit system, now can't install iis, I test the online said many of the methods are no problem below

, I test method 1: download a website above win2012 system and loading system using the alternate source path below


Method 2: right-click Powershell, select run as administrator and use the Add - WindowsFeature Web Server command to run in the results below


Methods 3 computer configuration - & gt; "" Management template - & gt; "" Windows components "- & gt;" Windows update ", find "specified Intranet Microsoft operating update service location" option not configured also not line,
Is now in the thought that how to do what is the problem for bosses to solve