Windows Server 2012 – WinRM Corrupt or Missing – in case you want to be too secure

Recently when I tried to add some features in Windows 2012 R2 using server manager I received this error : Failed to open the runspace pool. The Server Manager WinRM plug-in might be corrupted or missing.

I started to search for help and one of the posts I found was http://www.lukebrowning.com/sysadmin/windows/windows-server-2012-winrm-corrupt-or-missing/ – so maybe solution presented there is working – I don’t know for me it’s not. Continue reading