Exchange - Console "The attempt to connect to http://yourserver/PowerShell using "Kerberos" authentication failed"

If you get this error with Exchange 2010 console:

The attempt to connect to using 'Kerberos' authentication failed: Connecting to the remote server failed with the following error message : WinRM cannot process the request. The following error occurred while using Kerberos  authentication: The network path was not found.

The solution is to first export and then delete

- You must laungh regedit --> HKEY_CURRENT_USER\SOFTWARE\Microsoft\ExchangeServer\v14\AdminTools

- Look for value NodeStructureSetting.

- If it is there, back it up and then remove it.