Specifies the type of User Authentication used for remote connections.If enabled, the protocol requires early user authentication ...

Specifies the type of User Authentication used for remote connections.If enabled, the protocol requires early user authentication at connection time toincrease server protection against network attacks. Only RDP clients that supportRDP version 6.0 or higher will be able to connect. To avoid disruptions forremote users, it is recommended to deploy RDP clients supporting the appropriateprotocol version before enabling the property.