The Remote Computer Requires Network Level Authentication (NLA)
KB ID 0001375 Problem Seen when attempting to connect to a remote machine via Remote Desktop; The remote computer that you are trying to connect to requires network level authentication (NLA), but your windows domain controller cannot be contacted to perform NLA. If you are an administrator on the remote computer, you can disable NLA by using the options on the remote tab of the System properties dialog box. Also See: Windows RDP: ‘An...