Enabling WinRM is required to connect to Hyper-V, VMM, or Exchange targets. To enable WinRM manually on a target, just run the following commands via PowerShell. To enable on multiple targets at once, see the posts below on how to do this via GPO or PsExec.
Set-Item WSMan:\localhost\Service\Auth\Basic -Value $True
Set-Item WSMan:\localhost\Service\AllowUnencrypted -Value $True
Enable multiple Hyper-V, VMM, Exchange targets via GPO:
Enable multiple Hyper-V, VMM, Exchange targets via PsExec: