Error “Online-Verify WinRM 3.0 service installed, running, and required firewall ports are open”

 

You are trying to manage a computer by using Server Manager on Windows Server 2012 R2. However encountered an error message

“Online-Verify WinRM 3.0 service installed, running, and required firewall ports are open”

after added new server.

[ Resolution ]

On the new computer that you would like to add, execute the following command in Powershell:

winrm qc

[ Final result ]

Click Refresh button on Server Manager. Problem resolved and you can manage your server from Server Manager.