The symptom: the connection error occurs after authentication (filled still in the client app) and passing all the security checks phases. When the RDP screen is to be rendered (it is created but still all black), it gives the error.
The symptom: the connection error occurs after authentication (filled still in the client app) and passing all the security checks phases. When the RDP screen is to be rendered (it is created but still all black), it gives the error.