In Windows 2008 or Vista, a winrm Listener was created with the quickconfig command and you have chosen to delete it.
The command in the Windows Vista collector guide was incorrect and gives an error when you try to delete the Listener.
The command is not correct in the Collector Guide. The documentation has been updated to reflect this change.
Please ensure you have the latest version of the Collector guide.
To delete a listener created by the quickconfig command.
For an HTTP Listener:
winrm delete winrm/config/Listener?Address=*+Transport=HTTP
For an HTTPS Listener:
winrm delete winrm/config/Listener?Address=*+Transport=HTTPS