The WinRM client cannot process the request. The resource URI is not valid: it does not contain keys, but the class selected ...

The WinRM client cannot process the request. The resource URI is not valid: it does not contain keys, but the class selected is not a singleton.
To access an instance which is not a singleton, keys must be provided.
Use the following command to get more information in how to construct a resource URI: "winrm help uris".