WinRM fails when attempting to remote powershell to pc in workgroup

Received the following error when trying to remote powershell to a system that was a member of a workgroup:

Enter-pssession : Connecting to remote server failed with the
following error message : The WinRM client cannot process the request. If the
authentication scheme is different from Kerberos, or if the client computer is
not joined to a domain, then HTTPS transport must be used or the destination
machine must be added to the TrustedHosts configuration setting. Use winrm.cmd
to configure TrustedHosts. Note that computers in the TrustedHosts list might
not be authenticated. You can get more information about that by running the
following command: winrm help config. For more information, see the
about_Remote_Troubleshooting Help topic.
At line:1 char:11
+ $string = Enter-pssession
+           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : InvalidArgument: ( [Enter-P

   SSession], PSRemotingTransportException

    + FullyQualifiedErrorId : CreateRemoteRunspaceFailed
Run Command:
set-item wsman:\localhost\Client\TrustedHosts *

Now you really shouldn’t leave your trustedhosts list as * but that is a separate blog post…

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