Configuring Remote Desktop Access on the Remote Computer
To allow remote desktop access to the computer that is the target of the RDP bookmark
Right-click the My Computer icon on the desktop, and select Properties.
Click the Remote tab.
Under Remote Desktop, select the check box for Allow connections from computers running any version of Remote Desktop (less secure). By default, RDP has Transport Layer Security (TLS) enabled.
To use Network Level Authentication (NLA), which is a security enhancement for computers using RDP bookmarks, click the check box for Allow connections only from computer running Remote Desktop with Network Level Authentication (more secure).