Connecting to remote server failed ... WinRM cannot process the request

An example of the error received follows :


Connecting to remote server failed with the following error message : WinRM cannot process the request.
The following error occured while using Kerberos authentication: The network path was not found.
Possible causes are:
-The user name or password specified are invalid.
-Kerberos is used when no authentication method and no user name are specified.
-Kerberos accepts domain user names, but not local user names.
-The Service Principal Name (SPN) for the remote computer name and port does not exist.
-The client and remote computers are in different domains and there is no trust between the two domains.
After checking for the above issues, try the following:
-Check the Event Viewer for events related to authentication.
-Change the authentication method; add the destination computer to the WinRM TrustedHosts configuration setting or us
e HTTPS transport.
Note that computers in the TrustedHosts list might not be authenticated.
-For more information about WinRM configuration, run the following command: winrm help config. For more information,
see the about_Remote_Troubleshooting Help topic.
+ CategoryInfo : OpenError: (System.Manageme....RemoteRunspace:RemoteRunspace) [], PSRemotingTransportExc
eption
+ FullyQualifiedErrorId : PSSessionOpenFailed


• The error is described in details in the following Microsoft article :
  
  Troubleshooting the Exchange Management Shell
  http://technet.microsoft.com/en-us/library/dd351136(v=exchg.141).aspx
  
  Expand the "Connection Issues" section and examine the "Server Name Provided Doesn't Exist" section. This lists the error received and gives the following directions :
  "You can receive the following error message if the server name you specified in the remote Shell URL doesn't exist."
  Refer to the above Microsoft article for further details.
• This error is also described by apar IC77055. Enable netbios or apply the fix when available to resolve the error.